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23067460 = 2251388721
BaseRepresentation
bin101011111111…
…1101101000100
31121101221121101
41113333231010
521401124320
62142225444
7400033033
oct127775504
947357541
1023067460
1112025a19
127885284
134a186b0
1430c671a
152059c0a
hex15ffb44

23067460 has 24 divisors (see below), whose sum is σ = 52168536. Its totient is φ = 8517120.

The previous prime is 23067449. The next prime is 23067469. The reversal of 23067460 is 6476032.

It can be written as a sum of positive squares in 4 ways, for example, as 46656 + 23020804 = 216^2 + 4798^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23067469) 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, 44101 + ... + 44620.

It is an arithmetic number, because the mean of its divisors is an integer number (2173689).

Almost surely, 223067460 is an apocalyptic number.

23067460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23067460 is an abundant number, since it is smaller than the sum of its proper divisors (29101076).

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

23067460 is a wasteful number, since it uses less digits than its factorization.

23067460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88743 (or 88741 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 23067460 is about 4802.8595648842. The cubic root of 23067460 is about 284.6644661099.

The spelling of 23067460 in words is "twenty-three million, sixty-seven thousand, four hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 88721 177442 354884 443605 887210 1153373 1774420 2306746 4613492 5766865 11533730 23067460