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12310404 = 2231953993
BaseRepresentation
bin101110111101…
…011110000100
3212011102200220
4232331132010
511122413104
61115504340
7206431251
oct56753604
925142626
1012310404
116a48a97
1241580b0
132720382
1418c6428
1511327d9
hexbbd784

12310404 has 24 divisors (see below), whose sum is σ = 30236640. Its totient is φ = 3887424.

The previous prime is 12310387. The next prime is 12310411. The reversal of 12310404 is 40401321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26769 + ... + 27224.

It is an arithmetic number, because the mean of its divisors is an integer number (1259860).

Almost surely, 212310404 is an apocalyptic number.

It is an amenable number.

12310404 is an abundant number, since it is smaller than the sum of its proper divisors (17926236).

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

12310404 is a wasteful number, since it uses less digits than its factorization.

12310404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54019 (or 54017 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12310404 is about 3508.6185315591. The cubic root of 12310404 is about 230.9000898499.

Adding to 12310404 its reverse (40401321), we get a palindrome (52711725).

The spelling of 12310404 in words is "twelve million, three hundred ten thousand, four hundred four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 53993 107986 161979 215972 323958 647916 1025867 2051734 3077601 4103468 6155202 12310404