Base | Representation |
---|---|
bin | 1110100100110… |
… | …0110101101001 |
3 | 11021000211112020 |
4 | 3221030311221 |
5 | 111122212022 |
6 | 10022135053 |
7 | 1341420543 |
oct | 351146551 |
9 | 137024466 |
10 | 61132137 |
11 | 31564530 |
12 | 18581489 |
13 | c885381 |
14 | 8194693 |
15 | 557835c |
hex | 3a4cd69 |
61132137 has 32 divisors (see below), whose sum is σ = 93450240. Its totient is φ = 35185920.
The previous prime is 61132129. The next prime is 61132163. The reversal of 61132137 is 73123116.
It is not a de Polignac number, because 61132137 - 23 = 61132129 is a prime.
It is not an unprimeable number, because it can be changed into a prime (61130137) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181233 + ... + 181569.
It is an arithmetic number, because the mean of its divisors is an integer number (2920320).
Almost surely, 261132137 is an apocalyptic number.
It is an amenable number.
61132137 is a deficient number, since it is larger than the sum of its proper divisors (32318103).
61132137 is a wasteful number, since it uses less digits than its factorization.
61132137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 613.
The product of its digits is 756, while the sum is 24.
The square root of 61132137 is about 7818.7043044228. The cubic root of 61132137 is about 393.9337520780.
The spelling of 61132137 in words is "sixty-one million, one hundred thirty-two thousand, one hundred thirty-seven".
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