Base | Representation |
---|---|
bin | 101110111110… |
… | …101101010010 |
3 | 212011200122200 |
4 | 232332231102 |
5 | 11123043344 |
6 | 1115544030 |
7 | 206452113 |
oct | 56765522 |
9 | 25150580 |
10 | 12315474 |
11 | 6a51886 |
12 | 415b016 |
13 | 2722782 |
14 | 18c820a |
15 | 1134069 |
hex | bbeb52 |
12315474 has 24 divisors (see below), whose sum is σ = 26932620. Its totient is φ = 4066848.
The previous prime is 12315469. The next prime is 12315481. The reversal of 12315474 is 47451321.
It can be written as a sum of positive squares in 2 ways, for example, as 10284849 + 2030625 = 3207^2 + 1425^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1177 + ... + 5100.
Almost surely, 212315474 is an apocalyptic number.
12315474 is an abundant number, since it is smaller than the sum of its proper divisors (14617146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12315474 is a wasteful number, since it uses less digits than its factorization.
12315474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6394 (or 6391 counting only the distinct ones).
The product of its digits is 3360, while the sum is 27.
The square root of 12315474 is about 3509.3409637708. The cubic root of 12315474 is about 230.9317839839.
Adding to 12315474 its reverse (47451321), we get a palindrome (59766795).
The spelling of 12315474 in words is "twelve million, three hundred fifteen thousand, four hundred seventy-four".
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