Base | Representation |
---|---|
bin | 1111101010010… |
… | …00011100011100 |
3 | 100011012020000121 |
4 | 13311020130130 |
5 | 232112244412 |
6 | 21011404324 |
7 | 3153421135 |
oct | 765103434 |
9 | 304166017 |
10 | 131368732 |
11 | 68177300 |
12 | 37bb36a4 |
13 | 212a77a1 |
14 | 13638c8c |
15 | b7ee107 |
hex | 7d4871c |
131368732 has 36 divisors (see below), whose sum is σ = 263703888. Its totient is φ = 57112000.
The previous prime is 131368723. The next prime is 131368733. The reversal of 131368732 is 237863131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131368733) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5232 + ... + 17032.
It is an arithmetic number, because the mean of its divisors is an integer number (7325108).
Almost surely, 2131368732 is an apocalyptic number.
It is an amenable number.
131368732 is an abundant number, since it is smaller than the sum of its proper divisors (132335156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131368732 is a wasteful number, since it uses less digits than its factorization.
131368732 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11850 (or 11837 counting only the distinct ones).
The product of its digits is 18144, while the sum is 34.
The square root of 131368732 is about 11461.6199553117. The cubic root of 131368732 is about 508.3513751069.
It can be divided in two parts, 131 and 368732, that added together give a palindrome (368863).
The spelling of 131368732 in words is "one hundred thirty-one million, three hundred sixty-eight thousand, seven hundred thirty-two".
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