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61057834 = 230528917
BaseRepresentation
bin1110100011101…
…0101100101010
311020220001121021
43220322230222
5111112322314
610020403054
71340661115
oct350725452
9136801537
1061057834
1131513722
121854648a
13c85a5c6
14817557c
155561324
hex3a3ab2a

61057834 has 4 divisors (see below), whose sum is σ = 91586754. Its totient is φ = 30528916.

The previous prime is 61057823. The next prime is 61057853. The reversal of 61057834 is 43875016.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56957209 + 4100625 = 7547^2 + 2025^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61057834.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15264457 + ... + 15264460.

Almost surely, 261057834 is an apocalyptic number.

61057834 is a deficient number, since it is larger than the sum of its proper divisors (30528920).

61057834 is a wasteful number, since it uses less digits than its factorization.

61057834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30528919.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 61057834 is about 7813.9512412095. The cubic root of 61057834 is about 393.7740852320.

The spelling of 61057834 in words is "sixty-one million, fifty-seven thousand, eight hundred thirty-four".

Divisors: 1 2 30528917 61057834