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23055901 = 115371557
BaseRepresentation
bin101011111110…
…0111000011101
31121101100202021
41113330320131
521400242101
62142100141
7366654241
oct127747035
947340667
1023055901
1112018270
12787a651
134a1335b
1430c2421
1520565a1
hex15fce1d

23055901 has 16 divisors (see below), whose sum is σ = 26034048. Its totient is φ = 20238400.

The previous prime is 23055881. The next prime is 23055917. The reversal of 23055901 is 10955032.

It is a cyclic number.

It is not a de Polignac number, because 23055901 - 217 = 22924829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23055401) 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, 41115 + ... + 41671.

It is an arithmetic number, because the mean of its divisors is an integer number (1627128).

Almost surely, 223055901 is an apocalyptic number.

It is an amenable number.

23055901 is a deficient number, since it is larger than the sum of its proper divisors (2978147).

23055901 is a wasteful number, since it uses less digits than its factorization.

23055901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 23055901 is about 4801.6560684830. The cubic root of 23055901 is about 284.6169101396.

The spelling of 23055901 in words is "twenty-three million, fifty-five thousand, nine hundred one".

Divisors: 1 11 53 71 557 583 781 3763 6127 29521 39547 41393 324731 435017 2095991 23055901