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61253256 = 2332552219
BaseRepresentation
bin1110100110101…
…0011010001000
311021020222200010
43221222122020
5111140101011
610024511520
71342433631
oct351523210
9137228603
1061253256
1131637529
121861b5a0
13c8c853c
1481c6888
15559e1a6
hex3a6a688

61253256 has 16 divisors (see below), whose sum is σ = 153133200. Its totient is φ = 20417744.

The previous prime is 61253239. The next prime is 61253273. The reversal of 61253256 is 65235216.

It is an interprime number because it is at equal distance from previous prime (61253239) and next prime (61253273).

It is a super-2 number, since 2×612532562 = 7503922741203072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276086 + ... + 1276133.

It is an arithmetic number, because the mean of its divisors is an integer number (9570825).

Almost surely, 261253256 is an apocalyptic number.

It is an amenable number.

61253256 is an abundant number, since it is smaller than the sum of its proper divisors (91879944).

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

61253256 is a wasteful number, since it uses less digits than its factorization.

61253256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552228 (or 2552224 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 61253256 is about 7826.4459366944. The cubic root of 61253256 is about 394.1937429136.

The spelling of 61253256 in words is "sixty-one million, two hundred fifty-three thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 2552219 5104438 7656657 10208876 15313314 20417752 30626628 61253256