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23085151 = 37623923
BaseRepresentation
bin101100000010…
…0000001011111
31121102211212121
41120010001133
521402211101
62142443411
7400135435
oct130040137
947384777
1023085151
1112038241
127893567
134a2376b
1430ccd55
1520600a1
hex160405f

23085151 has 4 divisors (see below), whose sum is σ = 23709112. Its totient is φ = 22461192.

The previous prime is 23085137. The next prime is 23085197. The reversal of 23085151 is 15158032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23085151 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 (23082151) 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, 311925 + ... + 311998.

It is an arithmetic number, because the mean of its divisors is an integer number (5927278).

Almost surely, 223085151 is an apocalyptic number.

23085151 is a deficient number, since it is larger than the sum of its proper divisors (623961).

23085151 is an equidigital number, since it uses as much as digits as its factorization.

23085151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623960.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 23085151 is about 4804.7009272170. The cubic root of 23085151 is about 284.7372195644.

The spelling of 23085151 in words is "twenty-three million, eighty-five thousand, one hundred fifty-one".

Divisors: 1 37 623923 23085151