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23080577 = 1317181577
BaseRepresentation
bin101100000001…
…0111010000001
31121102121121012
41120002322001
521402034302
62142410305
7400116212
oct130027201
947377535
1023080577
1112034863
127890995
134a21660
1430cb409
15205da52
hex1602e81

23080577 has 16 divisors (see below), whose sum is σ = 26509392. Its totient is φ = 19906560.

The previous prime is 23080559. The next prime is 23080579. The reversal of 23080577 is 77508032.

It can be written as a sum of positive squares in 8 ways, for example, as 30976 + 23049601 = 176^2 + 4801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23080577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23080579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39713 + ... + 40289.

It is an arithmetic number, because the mean of its divisors is an integer number (1656837).

Almost surely, 223080577 is an apocalyptic number.

It is an amenable number.

23080577 is a deficient number, since it is larger than the sum of its proper divisors (3428815).

23080577 is a wasteful number, since it uses less digits than its factorization.

23080577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 23080577 is about 4804.2249114712. The cubic root of 23080577 is about 284.7184127555.

The spelling of 23080577 in words is "twenty-three million, eighty thousand, five hundred seventy-seven".

Divisors: 1 13 17 181 221 577 2353 3077 7501 9809 40001 104437 127517 1357681 1775429 23080577