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23080181 is a prime number
BaseRepresentation
bin101100000001…
…0110011110101
31121102121001112
41120002303311
521402031211
62142404405
7400115105
oct130026365
947377045
1023080181
1112034533
127890705
134a21417
1430cb205
15205d88b
hex1602cf5

23080181 has 2 divisors, whose sum is σ = 23080182. Its totient is φ = 23080180.

The previous prime is 23080177. The next prime is 23080229. The reversal of 23080181 is 18108032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22372900 + 707281 = 4730^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 23080181 - 22 = 23080177 is a prime.

It is a super-2 number, since 2×230801812 = 1065389509985522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23080381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11540090 + 11540091.

It is an arithmetic number, because the mean of its divisors is an integer number (11540091).

Almost surely, 223080181 is an apocalyptic number.

It is an amenable number.

23080181 is a deficient number, since it is larger than the sum of its proper divisors (1).

23080181 is an equidigital number, since it uses as much as digits as its factorization.

23080181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 23080181 is about 4804.1836975703. The cubic root of 23080181 is about 284.7167844147.

The spelling of 23080181 in words is "twenty-three million, eighty thousand, one hundred eighty-one".