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23402308 = 2241142697
BaseRepresentation
bin101100101000…
…1011101000100
31122000221221011
41121101131010
521442333213
62153332004
7402626206
oct131213504
948027834
1023402308
1112234556
127a07004
134b04c27
143172776
1520c403d
hex1651744

23402308 has 12 divisors (see below), whose sum is σ = 41953212. Its totient is φ = 11415680.

The previous prime is 23402299. The next prime is 23402347. The reversal of 23402308 is 80320432.

It can be written as a sum of positive squares in 2 ways, for example, as 8020224 + 15382084 = 2832^2 + 3922^2 .

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71185 + ... + 71512.

It is an arithmetic number, because the mean of its divisors is an integer number (3496101).

Almost surely, 223402308 is an apocalyptic number.

It is an amenable number.

23402308 is a deficient number, since it is larger than the sum of its proper divisors (18550904).

23402308 is a wasteful number, since it uses less digits than its factorization.

23402308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142742 (or 142740 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 23402308 is about 4837.5932032365. The cubic root of 23402308 is about 286.0352541020.

The spelling of 23402308 in words is "twenty-three million, four hundred two thousand, three hundred eight".

Divisors: 1 2 4 41 82 164 142697 285394 570788 5850577 11701154 23402308