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23138410 = 252419601
BaseRepresentation
bin101100001000…
…1000001101010
31121112112221011
41120101001222
521410412120
62143534134
7400446631
oct130210152
947475834
1023138410
1112074259
1278ba34a
134a41a89
143104518
152070c5a
hex161106a

23138410 has 16 divisors (see below), whose sum is σ = 41826312. Its totient is φ = 9216000.

The previous prime is 23138407. The next prime is 23138417. The reversal of 23138410 is 1483132.

It can be written as a sum of positive squares in 4 ways, for example, as 22344529 + 793881 = 4727^2 + 891^2 .

It is not an unprimeable number, because it can be changed into a prime (23138417) 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, 2391 + ... + 7210.

Almost surely, 223138410 is an apocalyptic number.

23138410 is a deficient number, since it is larger than the sum of its proper divisors (18687902).

23138410 is a wasteful number, since it uses less digits than its factorization.

23138410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9849.

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

The square root of 23138410 is about 4810.2401187467. The cubic root of 23138410 is about 284.9560207094.

The spelling of 23138410 in words is "twenty-three million, one hundred thirty-eight thousand, four hundred ten".

Divisors: 1 2 5 10 241 482 1205 2410 9601 19202 48005 96010 2313841 4627682 11569205 23138410