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8725256972 = 223767879917
BaseRepresentation
bin10000010000001000…
…01101101100001100
3211112002002222102122
420020010031230030
5120332131210342
64001444312112
7426135313655
oct101004155414
924462088378
108725256972
1137781a8783
1218360a2638
13a90886663
145cab3852c
1536100b4d2
hex20810db0c

8725256972 has 24 divisors (see below), whose sum is σ = 15915956784. Its totient is φ = 4181360832.

The previous prime is 8725256963. The next prime is 8725257031. The reversal of 8725256972 is 2796525278.

It is a super-2 number, since 2×87252569722 (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 430043 + ... + 449874.

It is an arithmetic number, because the mean of its divisors is an integer number (663164866).

Almost surely, 28725256972 is an apocalyptic number.

It is an amenable number.

8725256972 is a deficient number, since it is larger than the sum of its proper divisors (7190699812).

8725256972 is a wasteful number, since it uses less digits than its factorization.

8725256972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880025 (or 880023 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 53.

The square root of 8725256972 is about 93409.0839907982. The cubic root of 8725256972 is about 2058.6984718506.

The spelling of 8725256972 in words is "eight billion, seven hundred twenty-five million, two hundred fifty-six thousand, nine hundred seventy-two".

Divisors: 1 2 4 37 67 74 134 148 268 2479 4958 9916 879917 1759834 3519668 32556929 58954439 65113858 117908878 130227716 235817756 2181314243 4362628486 8725256972