Base | Representation |
---|---|
bin | 1110100100110… |
… | …0010110010100 |
3 | 11021000201202222 |
4 | 3221030112110 |
5 | 111122131012 |
6 | 10022121512 |
7 | 1341411650 |
oct | 351142624 |
9 | 137021688 |
10 | 61130132 |
11 | 31562a78 |
12 | 18580298 |
13 | c88449b |
14 | 8193a60 |
15 | 5577972 |
hex | 3a4c594 |
61130132 has 24 divisors (see below), whose sum is σ = 122781120. Its totient is φ = 26087040.
The previous prime is 61130119. The next prime is 61130137. The reversal of 61130132 is 23103116.
It is a self number, because there is not a number n which added to its sum of digits gives 61130132.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 2219 + ... + 11277.
It is an arithmetic number, because the mean of its divisors is an integer number (5115880).
Almost surely, 261130132 is an apocalyptic number.
It is an amenable number.
61130132 is an abundant number, since it is smaller than the sum of its proper divisors (61650988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61130132 is a wasteful number, since it uses less digits than its factorization.
61130132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9311 (or 9309 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 61130132 is about 7818.5760851961. The cubic root of 61130132 is about 393.9294453099.
Adding to 61130132 its reverse (23103116), we get a palindrome (84233248).
The spelling of 61130132 in words is "sixty-one million, one hundred thirty thousand, one hundred thirty-two".
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