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253495716 = 22321124643
BaseRepresentation
bin11110001110000…
…00100110100100
3122122222220202020
433013000212210
51004343330331
641053143140
76165451365
oct1707004644
9578886666
10253495716
111201010a1
1270a8aab0
1340697886
1425949b6c
15173c4c96
hexf1c09a4

253495716 has 12 divisors (see below), whose sum is σ = 591490032. Its totient is φ = 84498568.

The previous prime is 253495691. The next prime is 253495717. The reversal of 253495716 is 617594352.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (253495717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10562310 + ... + 10562333.

It is an arithmetic number, because the mean of its divisors is an integer number (49290836).

Almost surely, 2253495716 is an apocalyptic number.

It is an amenable number.

253495716 is an abundant number, since it is smaller than the sum of its proper divisors (337994316).

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

253495716 is a wasteful number, since it uses less digits than its factorization.

253495716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21124650 (or 21124648 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 253495716 is about 15921.5487940087. The cubic root of 253495716 is about 632.8831621517.

The spelling of 253495716 in words is "two hundred fifty-three million, four hundred ninety-five thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 21124643 42249286 63373929 84498572 126747858 253495716