Base | Representation |
---|---|
bin | 1111101010000… |
… | …01011111110000 |
3 | 100011010202222112 |
4 | 13311001133300 |
5 | 232110342042 |
6 | 21011024452 |
7 | 3153242150 |
oct | 765013760 |
9 | 304122875 |
10 | 131340272 |
11 | 68157988 |
12 | 37b9b128 |
13 | 2129784b |
14 | 1362c760 |
15 | b7e5982 |
hex | 7d417f0 |
131340272 has 20 divisors (see below), whose sum is σ = 290825136. Its totient is φ = 56288640.
The previous prime is 131340271. The next prime is 131340289. The reversal of 131340272 is 272043131.
131340272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131340271) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586229 + ... + 586452.
Almost surely, 2131340272 is an apocalyptic number.
It is an amenable number.
131340272 is an abundant number, since it is smaller than the sum of its proper divisors (159484864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131340272 is a wasteful number, since it uses less digits than its factorization.
131340272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1172696 (or 1172690 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 23.
The square root of 131340272 is about 11460.3783532657. The cubic root of 131340272 is about 508.3146623499.
The spelling of 131340272 in words is "one hundred thirty-one million, three hundred forty thousand, two hundred seventy-two".
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