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253970651 = 1122098931
BaseRepresentation
bin11110010001101…
…00100011011011
3122200220001020102
433020310203123
51010004030101
641111250015
76202500134
oct1710644333
9580801212
10253970651
111203a5a00
127107990b
1340802abc
1425a30c8b
151746a86b
hexf2348db

253970651 has 6 divisors (see below), whose sum is σ = 279157956. Its totient is φ = 230882300.

The previous prime is 253970597. The next prime is 253970659. The reversal of 253970651 is 156079352.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-253970651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253970659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1049345 + ... + 1049586.

It is an arithmetic number, because the mean of its divisors is an integer number (46526326).

Almost surely, 2253970651 is an apocalyptic number.

253970651 is a deficient number, since it is larger than the sum of its proper divisors (25187305).

253970651 is a wasteful number, since it uses less digits than its factorization.

253970651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098953 (or 2098942 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 253970651 is about 15936.4566638886. The cubic root of 253970651 is about 633.2781600752.

The spelling of 253970651 in words is "two hundred fifty-three million, nine hundred seventy thousand, six hundred fifty-one".

Divisors: 1 11 121 2098931 23088241 253970651