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61937268 = 2235161439
BaseRepresentation
bin1110110001000…
…1011001110100
311022112201221220
43230101121310
5111323443033
610051310340
71351313061
oct354213164
9138481856
1061937268
1131a64428
12188ab3b0
13caa7993
148323c68
155686bb3
hex3b11674

61937268 has 12 divisors (see below), whose sum is σ = 144520320. Its totient is φ = 20645752.

The previous prime is 61937263. The next prime is 61937269. The reversal of 61937268 is 86273916.

It is a happy number.

61937268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61937263) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2580708 + ... + 2580731.

It is an arithmetic number, because the mean of its divisors is an integer number (12043360).

Almost surely, 261937268 is an apocalyptic number.

It is an amenable number.

61937268 is an abundant number, since it is smaller than the sum of its proper divisors (82583052).

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

61937268 is a wasteful number, since it uses less digits than its factorization.

61937268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5161446 (or 5161444 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 61937268 is about 7870.0233798890. The cubic root of 61937268 is about 395.6556285794.

The spelling of 61937268 in words is "sixty-one million, nine hundred thirty-seven thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 5161439 10322878 15484317 20645756 30968634 61937268