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389500968 = 23379205433
BaseRepresentation
bin10111001101110…
…101000000101000
31000010220200212210
4113031311000220
51244203012333
6102352205120
712436463223
oct2715650050
91003820783
10389500968
1118a95492a
12aa5397a0
136290685c
1439a305ba
15242dca63
hex17375028

389500968 has 32 divisors (see below), whose sum is σ = 986083200. Its totient is φ = 128189568.

The previous prime is 389500967. The next prime is 389500973. The reversal of 389500968 is 869005983.

It is a super-2 number, since 2×3895009682 = 303422008145874048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (389500963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100821 + ... + 104612.

It is an arithmetic number, because the mean of its divisors is an integer number (30815100).

Almost surely, 2389500968 is an apocalyptic number.

It is an amenable number.

389500968 is an abundant number, since it is smaller than the sum of its proper divisors (596582232).

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

389500968 is a wasteful number, since it uses less digits than its factorization.

389500968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205521 (or 205517 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 389500968 is about 19735.7788799936. The cubic root of 389500968 is about 730.3026005132.

The spelling of 389500968 in words is "three hundred eighty-nine million, five hundred thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 79 158 237 316 474 632 948 1896 205433 410866 616299 821732 1232598 1643464 2465196 4930392 16229207 32458414 48687621 64916828 97375242 129833656 194750484 389500968