Base | Representation |
---|---|
bin | 1110010101100… |
… | …0100100101111 |
3 | 11012011000002110 |
4 | 3211120210233 |
5 | 110343203011 |
6 | 5544455103 |
7 | 1330052610 |
oct | 345304457 |
9 | 135130073 |
10 | 60131631 |
11 | 30a4086a |
12 | 1817a493 |
13 | c5c4b61 |
14 | 7db3c07 |
15 | 542bba6 |
hex | 395892f |
60131631 has 16 divisors (see below), whose sum is σ = 92096000. Its totient is φ = 34185888.
The previous prime is 60131611. The next prime is 60131641. The reversal of 60131631 is 13613106.
It is not a de Polignac number, because 60131631 - 211 = 60129583 is a prime.
It is a super-2 number, since 2×601316312 = 7231626093440322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 60131598 and 60131607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (60131611) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3016 + ... + 11373.
It is an arithmetic number, because the mean of its divisors is an integer number (5756000).
Almost surely, 260131631 is an apocalyptic number.
60131631 is a deficient number, since it is larger than the sum of its proper divisors (31964369).
60131631 is a wasteful number, since it uses less digits than its factorization.
60131631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14598.
The product of its (nonzero) digits is 324, while the sum is 21.
The square root of 60131631 is about 7754.4587818880. The cubic root of 60131631 is about 391.7728427600.
Adding to 60131631 its reverse (13613106), we get a palindrome (73744737).
The spelling of 60131631 in words is "sixty million, one hundred thirty-one thousand, six hundred thirty-one".
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