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253551372 = 22340015281
BaseRepresentation
bin11110001110011…
…10001100001100
3122200002202002120
433013032030030
51004402120442
641054252540
76166102554
oct1707161414
9580082076
10253551372
11120139998
1270ab7150
13406b6cc9
1425962164
15173d64ec
hexf1ce30c

253551372 has 24 divisors (see below), whose sum is σ = 591879792. Its totient is φ = 84480000.

The previous prime is 253551313. The next prime is 253551391. The reversal of 253551372 is 273155352.

253551372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45372 + ... + 50652.

It is an arithmetic number, because the mean of its divisors is an integer number (24661658).

Almost surely, 2253551372 is an apocalyptic number.

It is an amenable number.

253551372 is an abundant number, since it is smaller than the sum of its proper divisors (338328420).

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

253551372 is a wasteful number, since it uses less digits than its factorization.

253551372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9289 (or 9287 counting only the distinct ones).

The product of its digits is 31500, while the sum is 33.

The square root of 253551372 is about 15923.2965179953. The cubic root of 253551372 is about 632.9294761069.

The spelling of 253551372 in words is "two hundred fifty-three million, five hundred fifty-one thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 4001 5281 8002 10562 12003 15843 16004 21124 24006 31686 48012 63372 21129281 42258562 63387843 84517124 126775686 253551372