Base | Representation |
---|---|
bin | 101110010100… |
… | …000101101000 |
3 | 211211211012010 |
4 | 232110011220 |
5 | 11102002104 |
6 | 1112115520 |
7 | 205124136 |
oct | 56240550 |
9 | 24754163 |
10 | 12140904 |
11 | 6942706 |
12 | 4095ba0 |
13 | 2691189 |
14 | 1880756 |
15 | 10ec489 |
hex | b94168 |
12140904 has 16 divisors (see below), whose sum is σ = 30352320. Its totient is φ = 4046960.
The previous prime is 12140903. The next prime is 12140923. The reversal of 12140904 is 40904121.
It is not an unprimeable number, because it can be changed into a prime (12140903) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252912 + ... + 252959.
It is an arithmetic number, because the mean of its divisors is an integer number (1897020).
Almost surely, 212140904 is an apocalyptic number.
It is an amenable number.
12140904 is an abundant number, since it is smaller than the sum of its proper divisors (18211416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12140904 is a wasteful number, since it uses less digits than its factorization.
12140904 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 505880 (or 505876 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 12140904 is about 3484.3800022386. The cubic root of 12140904 is about 229.8354462551.
The spelling of 12140904 in words is "twelve million, one hundred forty thousand, nine hundred four".
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