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390358896 = 243172292089
BaseRepresentation
bin10111010001000…
…110011101110000
31000012112021201220
4113101012131300
51244412441041
6102422425040
712446665404
oct2721063560
91005467656
10390358896
11190390464
12aa892180
1362b471c5
1439bb5104
152440bd66
hex17446770

390358896 has 80 divisors (see below), whose sum is σ = 1072922400. Its totient is φ = 121872384.

The previous prime is 390358883. The next prime is 390358907. The reversal of 390358896 is 698853093.

It is a super-3 number, since 3×3903588963 (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185820 + ... + 187908.

It is an arithmetic number, because the mean of its divisors is an integer number (13411530).

Almost surely, 2390358896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390358896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536461200).

390358896 is an abundant number, since it is smaller than the sum of its proper divisors (682563504).

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

390358896 is a wasteful number, since it uses less digits than its factorization.

390358896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346 (or 2340 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 390358896 is about 19757.5022712893. The cubic root of 390358896 is about 730.8384037119.

The spelling of 390358896 in words is "three hundred ninety million, three hundred fifty-eight thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 229 272 408 458 687 816 916 1374 1832 2089 2748 3664 3893 4178 5496 6267 7786 8356 10992 11679 12534 15572 16712 23358 25068 31144 33424 35513 46716 50136 62288 71026 93432 100272 106539 142052 186864 213078 284104 426156 478381 568208 852312 956762 1435143 1704624 1913524 2870286 3827048 5740572 7654096 8132477 11481144 16264954 22962288 24397431 32529908 48794862 65059816 97589724 130119632 195179448 390358896