Base | Representation |
---|---|
bin | 111110101111111000011 |
3 | 10212110111000 |
4 | 13311333003 |
5 | 1011244011 |
6 | 112023043 |
7 | 23322360 |
oct | 7657703 |
9 | 3773430 |
10 | 2056131 |
11 | 1184890 |
12 | 831a83 |
13 | 56cb5c |
14 | 3b7467 |
15 | 2a9356 |
hex | 1f5fc3 |
2056131 has 64 divisors (see below), whose sum is σ = 4055040. Its totient is φ = 997920.
The previous prime is 2056111. The next prime is 2056139. The reversal of 2056131 is 1316502.
It is not a de Polignac number, because 2056131 - 210 = 2055107 is a prime.
It is a super-2 number, since 2×20561312 = 8455349378322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2056139) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47796 + ... + 47838.
It is an arithmetic number, because the mean of its divisors is an integer number (63360).
22056131 is an apocalyptic number.
2056131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2056131 is a deficient number, since it is larger than the sum of its proper divisors (1998909).
2056131 is a wasteful number, since it uses less digits than its factorization.
2056131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93 (or 87 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 2056131 is about 1433.9215459710. The cubic root of 2056131 is about 127.1599241852.
It can be divided in two parts, 2056 and 131, that added together give a 7-th power (2187 = 37).
The spelling of 2056131 in words is "two million, fifty-six thousand, one hundred thirty-one".
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