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61965368 = 237745671
BaseRepresentation
bin1110110001100…
…0010000111000
311022121011111122
43230120100320
5111330342433
610052044412
71351461023
oct354302070
9138534448
1061965368
1131a83553
1218903708
13cab76ca
1483301ba
155690198
hex3b18438

61965368 has 8 divisors (see below), whose sum is σ = 116185080. Its totient is φ = 30982680.

The previous prime is 61965367. The next prime is 61965389. The reversal of 61965368 is 86356916.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61965367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3872828 + ... + 3872843.

It is an arithmetic number, because the mean of its divisors is an integer number (14523135).

Almost surely, 261965368 is an apocalyptic number.

It is an amenable number.

61965368 is a deficient number, since it is larger than the sum of its proper divisors (54219712).

61965368 is a wasteful number, since it uses less digits than its factorization.

61965368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7745677 (or 7745673 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 61965368 is about 7871.8084326284. The cubic root of 61965368 is about 395.7154538543.

The spelling of 61965368 in words is "sixty-one million, nine hundred sixty-five thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 7745671 15491342 30982684 61965368