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245106624 = 2637226053
BaseRepresentation
bin11101001110000…
…00011111000000
3122002012201002010
432213000133000
51000221402444
640153252520
76034241400
oct1647003700
9562181063
10245106624
111163a1264
126a104140
133ba1b309
14247a4800
15167b92b9
hexe9c07c0

245106624 has 84 divisors (see below), whose sum is σ = 754419624. Its totient is φ = 70027776.

The previous prime is 245106577. The next prime is 245106643. The reversal of 245106624 is 426601542.

It is a tau number, because it is divible by the number of its divisors (84).

It is a junction number, because it is equal to n+sod(n) for n = 245106591 and 245106600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3619 + ... + 22434.

It is an arithmetic number, because the mean of its divisors is an integer number (8981186).

Almost surely, 2245106624 is an apocalyptic number.

245106624 is a gapful number since it is divisible by the number (24) 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 245106624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377209812).

245106624 is an abundant number, since it is smaller than the sum of its proper divisors (509313000).

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

245106624 is a wasteful number, since it uses less digits than its factorization.

245106624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26082 (or 26065 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 245106624 is about 15655.8814507520. The cubic root of 245106624 is about 625.8232343270.

The spelling of 245106624 in words is "two hundred forty-five million, one hundred six thousand, six hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 147 168 192 196 224 294 336 392 448 588 672 784 1176 1344 1568 2352 3136 4704 9408 26053 52106 78159 104212 156318 182371 208424 312636 364742 416848 547113 625272 729484 833696 1094226 1250544 1276597 1458968 1667392 2188452 2501088 2553194 2917936 3829791 4376904 5002176 5106388 5835872 7659582 8753808 10212776 11671744 15319164 17507616 20425552 30638328 35015232 40851104 61276656 81702208 122553312 245106624