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239712672 = 2532497007
BaseRepresentation
bin11100100100110…
…11100110100000
3121201001122222010
432102123212200
5442331301142
635441512520
75640344523
oct1622334640
9551048863
10239712672
11113347751
1268342740
133a880124
1423b9cbba
15160a0e9c
hexe49b9a0

239712672 has 24 divisors (see below), whose sum is σ = 629246016. Its totient is φ = 79904192.

The previous prime is 239712611. The next prime is 239712679. The reversal of 239712672 is 276217932.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 239712672.

It is not an unprimeable number, because it can be changed into a prime (239712679) 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 3 ways as a sum of consecutive naturals, for example, 1248408 + ... + 1248599.

It is an arithmetic number, because the mean of its divisors is an integer number (26218584).

Almost surely, 2239712672 is an apocalyptic number.

It is an amenable number.

239712672 is an abundant number, since it is smaller than the sum of its proper divisors (389533344).

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

239712672 is a wasteful number, since it uses less digits than its factorization.

239712672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497020 (or 2497012 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 239712672 is about 15482.6571362929. The cubic root of 239712672 is about 621.1984035732.

The spelling of 239712672 in words is "two hundred thirty-nine million, seven hundred twelve thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2497007 4994014 7491021 9988028 14982042 19976056 29964084 39952112 59928168 79904224 119856336 239712672