Base | Representation |
---|---|
bin | 1011111110100101111000 |
3 | 12220112012211 |
4 | 23332211320 |
5 | 1300434320 |
6 | 151144504 |
7 | 35455255 |
oct | 13764570 |
9 | 5815184 |
10 | 3139960 |
11 | 185510a |
12 | 1075134 |
13 | 85c285 |
14 | 5ba42c |
15 | 42055a |
hex | 2fe978 |
3139960 has 32 divisors (see below), whose sum is σ = 7374240. Its totient is φ = 1201024.
The previous prime is 3139943. The next prime is 3139967. The reversal of 3139960 is 699313.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3139967) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787 + ... + 2626.
It is an arithmetic number, because the mean of its divisors is an integer number (230445).
Almost surely, 23139960 is an apocalyptic number.
It is an amenable number.
3139960 is an abundant number, since it is smaller than the sum of its proper divisors (4234280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3139960 is a wasteful number, since it uses less digits than its factorization.
3139960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3447 (or 3443 counting only the distinct ones).
The product of its (nonzero) digits is 4374, while the sum is 31.
The square root of 3139960 is about 1771.9932279780. The cubic root of 3139960 is about 146.4338132454.
The spelling of 3139960 in words is "three million, one hundred thirty-nine thousand, nine hundred sixty".
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