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23081260 = 2258912967
BaseRepresentation
bin101100000001…
…1000100101100
31121102122112111
41120003010230
521402100020
62142413404
7400121206
oct130030454
947378474
1023081260
1112035324
127891264
134a21a67
1430cb776
15205dd5a
hex160312c

23081260 has 24 divisors (see below), whose sum is σ = 49019040. Its totient is φ = 9128064.

The previous prime is 23081251. The next prime is 23081263. The reversal of 23081260 is 6218032.

It is not an unprimeable number, because it can be changed into a prime (23081263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4704 + ... + 8263.

It is an arithmetic number, because the mean of its divisors is an integer number (2042460).

Almost surely, 223081260 is an apocalyptic number.

23081260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23081260 is an abundant number, since it is smaller than the sum of its proper divisors (25937780).

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

23081260 is a wasteful number, since it uses less digits than its factorization.

23081260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13065 (or 13063 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 23081260 is about 4804.2959942118. The cubic root of 23081260 is about 284.7212211885.

Adding to 23081260 its reverse (6218032), we get a palindrome (29299292).

The spelling of 23081260 in words is "twenty-three million, eighty-one thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 12967 25934 51868 64835 129670 259340 1154063 2308126 4616252 5770315 11540630 23081260