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23402313 = 3211236387
BaseRepresentation
bin101100101000…
…1011101001001
31122000221221100
41121101131021
521442333223
62153332013
7402626214
oct131213511
948027840
1023402313
1112234560
127a07009
134b04c2c
14317277b
1520c4043
hex1651749

23402313 has 12 divisors (see below), whose sum is σ = 36876528. Its totient is φ = 14183160.

The previous prime is 23402299. The next prime is 23402347. The reversal of 23402313 is 31320432.

It is not a de Polignac number, because 23402313 - 24 = 23402297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23402383) 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, 118095 + ... + 118292.

It is an arithmetic number, because the mean of its divisors is an integer number (3073044).

Almost surely, 223402313 is an apocalyptic number.

It is an amenable number.

23402313 is a deficient number, since it is larger than the sum of its proper divisors (13474215).

23402313 is a wasteful number, since it uses less digits than its factorization.

23402313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236404 (or 236401 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23402313 is about 4837.5937200224. The cubic root of 23402313 is about 286.0352744729.

Adding to 23402313 its reverse (31320432), we get a palindrome (54722745).

The spelling of 23402313 in words is "twenty-three million, four hundred two thousand, three hundred thirteen".

Divisors: 1 3 9 11 33 99 236387 709161 2127483 2600257 7800771 23402313