Base | Representation |
---|---|
bin | 1111100111110… |
… | …01010100010110 |
3 | 100010120202102211 |
4 | 13303321110112 |
5 | 232021412010 |
6 | 21000424034 |
7 | 3150601213 |
oct | 763712426 |
9 | 303522384 |
10 | 131044630 |
11 | 67a75852 |
12 | 37a7801a |
13 | 211c3102 |
14 | 13592b0a |
15 | b78808a |
hex | 7cf9516 |
131044630 has 32 divisors (see below), whose sum is σ = 240545376. Its totient is φ = 51389184.
The previous prime is 131044621. The next prime is 131044643. The reversal of 131044630 is 36440131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212082 + ... + 212698.
It is an arithmetic number, because the mean of its divisors is an integer number (7517043).
Almost surely, 2131044630 is an apocalyptic number.
131044630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131044630 is a deficient number, since it is larger than the sum of its proper divisors (109500746).
131044630 is a wasteful number, since it uses less digits than its factorization.
131044630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1008.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 131044630 is about 11447.4726468334. The cubic root of 131044630 is about 507.9329767736.
Adding to 131044630 its reverse (36440131), we get a palindrome (167484761).
The spelling of 131044630 in words is "one hundred thirty-one million, forty-four thousand, six hundred thirty".
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