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390014496 = 25322397607
BaseRepresentation
bin10111001111110…
…010011000100000
31000011212210022100
4113033302120200
51244320430441
6102411210400
712444032334
oct2717623040
91004783270
10390014496
11190175733
12aa746a00
1362a56511
1439b257c4
152438ecb6
hex173f2620

390014496 has 144 divisors (see below), whose sum is σ = 1171183104. Its totient is φ = 122867712.

The previous prime is 390014491. The next prime is 390014497. The reversal of 390014496 is 694410093.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×3900144962 = 304222614180268032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 390014496.

It is not an unprimeable number, because it can be changed into a prime (390014491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 642225 + ... + 642831.

It is an arithmetic number, because the mean of its divisors is an integer number (8133216).

Almost surely, 2390014496 is an apocalyptic number.

390014496 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390014496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585591552).

390014496 is an abundant number, since it is smaller than the sum of its proper divisors (781168608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390014496 is a wasteful number, since it uses less digits than its factorization.

390014496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 390014496 is about 19748.7846714678. The cubic root of 390014496 is about 730.6234094187.

The spelling of 390014496 in words is "three hundred ninety million, fourteen thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 69 72 92 96 97 138 144 184 194 207 276 288 291 368 388 414 552 582 607 736 776 828 873 1104 1164 1214 1552 1656 1746 1821 2208 2231 2328 2428 3104 3312 3492 3642 4462 4656 4856 5463 6624 6693 6984 7284 8924 9312 9712 10926 13386 13961 13968 14568 17848 19424 20079 21852 26772 27922 27936 29136 35696 40158 41883 43704 53544 55844 58272 58879 71392 80316 83766 87408 107088 111688 117758 125649 160632 167532 174816 176637 214176 223376 235516 251298 321264 335064 353274 446752 471032 502596 529911 642528 670128 706548 942064 1005192 1059822 1340256 1354217 1413096 1884128 2010384 2119644 2708434 2826192 4020768 4062651 4239288 5416868 5652384 8125302 8478576 10833736 12187953 16250604 16957152 21667472 24375906 32501208 43334944 48751812 65002416 97503624 130004832 195007248 390014496