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92561 = 721889
BaseRepresentation
bin10110100110010001
311200222012
4112212101
510430221
61552305
7533600
oct264621
9150865
1092561
11635a7
1245695
1333191
1425a37
151c65b
hex16991

92561 has 6 divisors (see below), whose sum is σ = 107730. Its totient is φ = 79296.

The previous prime is 92557. The next prime is 92567. The reversal of 92561 is 16529.

It can be written as a sum of positive squares in only one way, i.e., 78400 + 14161 = 280^2 + 119^2 .

It is not a de Polignac number, because 92561 - 22 = 92557 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 92561.

It is not an unprimeable number, because it can be changed into a prime (92567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 896 + ... + 993.

It is an arithmetic number, because the mean of its divisors is an integer number (17955).

292561 is an apocalyptic number.

It is an amenable number.

92561 is a deficient number, since it is larger than the sum of its proper divisors (15169).

92561 is a wasteful number, since it uses less digits than its factorization.

92561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903 (or 1896 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 92561 is about 304.2383933694. The cubic root of 92561 is about 45.2351476952.

The spelling of 92561 in words is "ninety-two thousand, five hundred sixty-one".

Divisors: 1 7 49 1889 13223 92561