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61957292 = 2215489323
BaseRepresentation
bin1110110001011…
…0010010101100
311022120202102112
43230112102230
5111330113132
610051543152
71351425335
oct354262254
9138522375
1061957292
1131a78481
12188baab8
13cab3b27
14832b28c
15568cab2
hex3b164ac

61957292 has 6 divisors (see below), whose sum is σ = 108425268. Its totient is φ = 30978644.

The previous prime is 61957283. The next prime is 61957319. The reversal of 61957292 is 29275916.

61957292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7744658 + ... + 7744665.

It is an arithmetic number, because the mean of its divisors is an integer number (18070878).

Almost surely, 261957292 is an apocalyptic number.

It is an amenable number.

61957292 is a deficient number, since it is larger than the sum of its proper divisors (46467976).

61957292 is a wasteful number, since it uses less digits than its factorization.

61957292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15489327 (or 15489325 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 61957292 is about 7871.2954461130. The cubic root of 61957292 is about 395.6982617949.

The spelling of 61957292 in words is "sixty-one million, nine hundred fifty-seven thousand, two hundred ninety-two".

Divisors: 1 2 4 15489323 30978646 61957292