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23042113 = 231001831
BaseRepresentation
bin101011111100…
…1100001000001
31121100122211121
41113321201001
521344321423
62141512241
7366566113
oct127714101
947318747
1023042113
1112008976
127872681
134a09cb3
1430bb3b3
15205245d
hex15f9841

23042113 has 4 divisors (see below), whose sum is σ = 24043968. Its totient is φ = 22040260.

The previous prime is 23042111. The next prime is 23042119. The reversal of 23042113 is 31124032.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23042113 - 21 = 23042111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23042111) 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, 500893 + ... + 500938.

It is an arithmetic number, because the mean of its divisors is an integer number (6010992).

Almost surely, 223042113 is an apocalyptic number.

23042113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23042113 is a deficient number, since it is larger than the sum of its proper divisors (1001855).

23042113 is a wasteful number, since it uses less digits than its factorization.

23042113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001854.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23042113 is about 4800.2200991205. The cubic root of 23042113 is about 284.5601628382.

Adding to 23042113 its reverse (31124032), we get a palindrome (54166145).

The spelling of 23042113 in words is "twenty-three million, forty-two thousand, one hundred thirteen".

Divisors: 1 23 1001831 23042113