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23013054 = 2324131183
BaseRepresentation
bin101011111001…
…0011010111110
31121022011222100
41113302122332
521342404204
62141125530
7366415311
oct127623276
947264870
1023013054
1111a99059
1278598a6
1349c99bc
1430b0978
152048a39
hex15f26be

23013054 has 24 divisors (see below), whose sum is σ = 51079392. Its totient is φ = 7483680.

The previous prime is 23013007. The next prime is 23013059. The reversal of 23013054 is 45031032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14854 + ... + 16329.

It is an arithmetic number, because the mean of its divisors is an integer number (2128308).

Almost surely, 223013054 is an apocalyptic number.

23013054 is an abundant number, since it is smaller than the sum of its proper divisors (28066338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23013054 is a wasteful number, since it uses less digits than its factorization.

23013054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31232 (or 31229 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23013054 is about 4797.1923038377. The cubic root of 23013054 is about 284.4404904755.

Adding to 23013054 its reverse (45031032), we get a palindrome (68044086).

The spelling of 23013054 in words is "twenty-three million, thirteen thousand, fifty-four".

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 31183 62366 93549 187098 280647 561294 1278503 2557006 3835509 7671018 11506527 23013054