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23135166 = 233428429
BaseRepresentation
bin101100001000…
…0001110111110
31121112101111000
41120100032332
521410311131
62143511130
7400434315
oct130201676
947471430
1023135166
111207187a
1278b84a6
134a40462
14310327c
15206ece6
hex16103be

23135166 has 16 divisors (see below), whose sum is σ = 51411600. Its totient is φ = 7711704.

The previous prime is 23135153. The next prime is 23135191. The reversal of 23135166 is 66153132.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214161 + ... + 214268.

It is an arithmetic number, because the mean of its divisors is an integer number (3213225).

Almost surely, 223135166 is an apocalyptic number.

23135166 is an abundant number, since it is smaller than the sum of its proper divisors (28276434).

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

23135166 is a wasteful number, since it uses less digits than its factorization.

23135166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428440 (or 428434 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 23135166 is about 4809.9029096230. The cubic root of 23135166 is about 284.9427031632.

Adding to 23135166 its reverse (66153132), we get a palindrome (89288298).

The spelling of 23135166 in words is "twenty-three million, one hundred thirty-five thousand, one hundred sixty-six".

Divisors: 1 2 3 6 9 18 27 54 428429 856858 1285287 2570574 3855861 7711722 11567583 23135166