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387289352 = 23271178639
BaseRepresentation
bin10111000101011…
…001000100001000
3222222202100010002
4113011121010020
51243121224402
6102232542132
712411622322
oct2705310410
9888670102
10387289352
1118968424a
12a9851948
1362310cc8
1439616612
1524002602
hex17159108

387289352 has 16 divisors (see below), whose sum is σ = 728851200. Its totient is φ = 192929040.

The previous prime is 387289337. The next prime is 387289379. The reversal of 387289352 is 253982783.

It is a junction number, because it is equal to n+sod(n) for n = 387289297 and 387289306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87152 + ... + 91487.

It is an arithmetic number, because the mean of its divisors is an integer number (45553200).

Almost surely, 2387289352 is an apocalyptic number.

It is an amenable number.

387289352 is a deficient number, since it is larger than the sum of its proper divisors (341561848).

387289352 is a wasteful number, since it uses less digits than its factorization.

387289352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178916 (or 178912 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 387289352 is about 19679.6684931429. The cubic root of 387289352 is about 728.9177382507.

The spelling of 387289352 in words is "three hundred eighty-seven million, two hundred eighty-nine thousand, three hundred fifty-two".

Divisors: 1 2 4 8 271 542 1084 2168 178639 357278 714556 1429112 48411169 96822338 193644676 387289352