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61096857 = 364731477
BaseRepresentation
bin1110100100010…
…0001110011001
311020222001010120
43221010032121
5111120044412
610021303453
71341212643
oct351041631
9136861116
1061096857
113153aa78
1218564b89
13c8722b3
148185893
15556cb8c
hex3a44399

61096857 has 8 divisors (see below), whose sum is σ = 81590976. Its totient is φ = 40666992.

The previous prime is 61096843. The next prime is 61096859. The reversal of 61096857 is 75869016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61096857 - 210 = 61095833 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (61096859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13798 + ... + 17679.

It is an arithmetic number, because the mean of its divisors is an integer number (10198872).

Almost surely, 261096857 is an apocalyptic number.

It is an amenable number.

61096857 is a deficient number, since it is larger than the sum of its proper divisors (20494119).

61096857 is a wasteful number, since it uses less digits than its factorization.

61096857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32127.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 61096857 is about 7816.4478505265. The cubic root of 61096857 is about 393.8579563898.

The spelling of 61096857 in words is "sixty-one million, ninety-six thousand, eight hundred fifty-seven".

Divisors: 1 3 647 1941 31477 94431 20365619 61096857