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387039272 = 2317191011483
BaseRepresentation
bin10111000100011…
…100000000101000
3222222021122001212
4113010130000220
51243040224042
6102223332252
712406531244
oct2704340050
9888248055
10387039272
11189523374
12a9751088
1362254229
143958d424
1523ea3482
hex1711c028

387039272 has 64 divisors (see below), whose sum is σ = 817387200. Its totient is φ = 170726400.

The previous prime is 387039269. The next prime is 387039281. The reversal of 387039272 is 272930783.

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, 260243 + ... + 261725.

It is an arithmetic number, because the mean of its divisors is an integer number (12771675).

Almost surely, 2387039272 is an apocalyptic number.

It is an amenable number.

387039272 is an abundant number, since it is smaller than the sum of its proper divisors (430347928).

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

387039272 is a wasteful number, since it uses less digits than its factorization.

387039272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 387039272 is about 19673.3137015603. The cubic root of 387039272 is about 728.7608125167.

The spelling of 387039272 in words is "three hundred eighty-seven million, thirty-nine thousand, two hundred seventy-two".

Divisors: 1 2 4 8 17 19 34 38 68 76 101 136 152 202 323 404 646 808 1292 1483 1717 1919 2584 2966 3434 3838 5932 6868 7676 11864 13736 15352 25211 28177 32623 50422 56354 65246 100844 112708 130492 149783 201688 225416 260984 299566 479009 599132 958018 1198264 1916036 2546311 2845877 3832072 5092622 5691754 10185244 11383508 20370488 22767016 48379909 96759818 193519636 387039272