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389904675 = 3525198729
BaseRepresentation
bin10111001111010…
…111100100100011
31000011200012122220
4113033113210203
51244303422200
6102405002123
712443064216
oct2717274443
91004605586
10389904675
11190100176
12aa6b3343
1362a18534
1439ad777d
152436c4a0
hex173d7923

389904675 has 12 divisors (see below), whose sum is σ = 644642520. Its totient is φ = 207949120.

The previous prime is 389904661. The next prime is 389904679. The reversal of 389904675 is 576409983.

It is not a de Polignac number, because 389904675 - 211 = 389902627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389904679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2599290 + ... + 2599439.

It is an arithmetic number, because the mean of its divisors is an integer number (53720210).

Almost surely, 2389904675 is an apocalyptic number.

389904675 is a deficient number, since it is larger than the sum of its proper divisors (254737845).

389904675 is a wasteful number, since it uses less digits than its factorization.

389904675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198742 (or 5198737 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 389904675 is about 19746.0040261315. The cubic root of 389904675 is about 730.5548262193.

The spelling of 389904675 in words is "three hundred eighty-nine million, nine hundred four thousand, six hundred seventy-five".

Divisors: 1 3 5 15 25 75 5198729 15596187 25993645 77980935 129968225 389904675