Base | Representation |
---|---|
bin | 1111101010010… |
… | …01010110011001 |
3 | 100011012102002222 |
4 | 13311021112121 |
5 | 232112404231 |
6 | 21011433425 |
7 | 3153435014 |
oct | 765112631 |
9 | 304172088 |
10 | 131372441 |
11 | 6817a072 |
12 | 37bb5875 |
13 | 212a9395 |
14 | 1363a37b |
15 | b80027b |
hex | 7d49599 |
131372441 has 4 divisors (see below), whose sum is σ = 138286800. Its totient is φ = 124458084.
The previous prime is 131372429. The next prime is 131372453. The reversal of 131372441 is 144273131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (131372429) and next prime (131372453).
It is a cyclic number.
It is not a de Polignac number, because 131372441 - 218 = 131110297 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131372441.
It is not an unprimeable number, because it can be changed into a prime (131372471) 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, 3457151 + ... + 3457188.
It is an arithmetic number, because the mean of its divisors is an integer number (34571700).
Almost surely, 2131372441 is an apocalyptic number.
It is an amenable number.
131372441 is a deficient number, since it is larger than the sum of its proper divisors (6914359).
131372441 is an equidigital number, since it uses as much as digits as its factorization.
131372441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6914358.
The product of its digits is 2016, while the sum is 26.
The square root of 131372441 is about 11461.7817550327. The cubic root of 131372441 is about 508.3561592426.
The spelling of 131372441 in words is "one hundred thirty-one million, three hundred seventy-two thousand, four hundred forty-one".
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