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23014157 = 83277279
BaseRepresentation
bin101011111001…
…0101100001101
31121022020111012
41113302230031
521342423112
62141135005
7366421445
oct127625415
947266435
1023014157
1111a99971
12785a465
1349ca35a
1430b1125
152049022
hex15f2b0d

23014157 has 4 divisors (see below), whose sum is σ = 23291520. Its totient is φ = 22736796.

The previous prime is 23014129. The next prime is 23014171. The reversal of 23014157 is 75141032.

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 23014157 - 214 = 22997773 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 (23014127) 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, 138557 + ... + 138722.

It is an arithmetic number, because the mean of its divisors is an integer number (5822880).

Almost surely, 223014157 is an apocalyptic number.

It is an amenable number.

23014157 is a deficient number, since it is larger than the sum of its proper divisors (277363).

23014157 is an equidigital number, since it uses as much as digits as its factorization.

23014157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277362.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 23014157 is about 4797.3072655397. The cubic root of 23014157 is about 284.4450347493.

Adding to 23014157 its reverse (75141032), we get a palindrome (98155189).

The spelling of 23014157 in words is "twenty-three million, fourteen thousand, one hundred fifty-seven".

Divisors: 1 83 277279 23014157