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23078051 = 23479833
BaseRepresentation
bin101100000001…
…0010010100011
31121102111010122
41120002102203
521401444201
62142350455
7400105643
oct130022243
947374118
1023078051
1112032977
12788b42b
134a20469
1430ca523
15205ce1b
hex16024a3

23078051 has 4 divisors (see below), whose sum is σ = 23090232. Its totient is φ = 23065872.

The previous prime is 23078023. The next prime is 23078063. The reversal of 23078051 is 15087032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23078051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23078051.

It is not an unprimeable number, because it can be changed into a prime (23078021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2570 + ... + 7263.

It is an arithmetic number, because the mean of its divisors is an integer number (5772558).

Almost surely, 223078051 is an apocalyptic number.

23078051 is a deficient number, since it is larger than the sum of its proper divisors (12181).

23078051 is an equidigital number, since it uses as much as digits as its factorization.

23078051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12180.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 23078051 is about 4803.9620106741. The cubic root of 23078051 is about 284.7080255954.

The spelling of 23078051 in words is "twenty-three million, seventy-eight thousand, fifty-one".

Divisors: 1 2347 9833 23078051