Base | Representation |
---|---|
bin | 101110010101… |
… | …010011111010 |
3 | 211212002001200 |
4 | 232111103322 |
5 | 11102132124 |
6 | 1112155030 |
7 | 205144554 |
oct | 56252372 |
9 | 24762050 |
10 | 12145914 |
11 | 6946450 |
12 | 4098a76 |
13 | 2693541 |
14 | 18824d4 |
15 | 10edbc9 |
hex | b954fa |
12145914 has 24 divisors (see below), whose sum is σ = 28708992. Its totient is φ = 3680520.
The previous prime is 12145907. The next prime is 12145937. The reversal of 12145914 is 41954121.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
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, 30474 + ... + 30869.
It is an arithmetic number, because the mean of its divisors is an integer number (1196208).
Almost surely, 212145914 is an apocalyptic number.
12145914 is an abundant number, since it is smaller than the sum of its proper divisors (16563078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12145914 is a wasteful number, since it uses less digits than its factorization.
12145914 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61362 (or 61359 counting only the distinct ones).
The product of its digits is 1440, while the sum is 27.
The square root of 12145914 is about 3485.0988508219. The cubic root of 12145914 is about 229.8670561263.
The spelling of 12145914 in words is "twelve million, one hundred forty-five thousand, nine hundred fourteen".
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