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672125384 = 23731387169
BaseRepresentation
bin101000000011111…
…101000111001000
31201211201111200202
4220003331013020
52334031003014
6150405551332
722440654140
oct5003750710
91654644622
10672125384
11315440827
12169115548
13a932c938
146539d920
153e0183de
hex280fd1c8

672125384 has 32 divisors (see below), whose sum is σ = 1486732800. Its totient is φ = 278760960.

The previous prime is 672125339. The next prime is 672125393. The reversal of 672125384 is 483521276.

It is a happy number.

It is an unprimeable number.

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, 191849 + ... + 195320.

It is an arithmetic number, because the mean of its divisors is an integer number (46460400).

Almost surely, 2672125384 is an apocalyptic number.

It is an amenable number.

672125384 is an abundant number, since it is smaller than the sum of its proper divisors (814607416).

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

672125384 is a wasteful number, since it uses less digits than its factorization.

672125384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387213 (or 387209 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 672125384 is about 25925.3810772378. The cubic root of 672125384 is about 875.9583009418.

The spelling of 672125384 in words is "six hundred seventy-two million, one hundred twenty-five thousand, three hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 217 248 434 868 1736 387169 774338 1548676 2710183 3097352 5420366 10840732 12002239 21681464 24004478 48008956 84015673 96017912 168031346 336062692 672125384