Base | Representation |
---|---|
bin | 1111101100001… |
… | …00011110010101 |
3 | 100011122201022022 |
4 | 13312010132111 |
5 | 232143131423 |
6 | 21020542525 |
7 | 3155464034 |
oct | 766043625 |
9 | 304581268 |
10 | 131614613 |
11 | 68325009 |
12 | 380b1a45 |
13 | 21362690 |
14 | 136a071b |
15 | b84bdc8 |
hex | 7d84795 |
131614613 has 8 divisors (see below), whose sum is σ = 142475928. Its totient is φ = 120858624.
The previous prime is 131614589. The next prime is 131614619. The reversal of 131614613 is 316416131.
It can be written as a sum of positive squares in 4 ways, for example, as 23600164 + 108014449 = 4858^2 + 10393^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131614613 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131614619) 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, 23720 + ... + 28737.
It is an arithmetic number, because the mean of its divisors is an integer number (17809491).
Almost surely, 2131614613 is an apocalyptic number.
131614613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
131614613 is a deficient number, since it is larger than the sum of its proper divisors (10861315).
131614613 is a wasteful number, since it uses less digits than its factorization.
131614613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52663.
The product of its digits is 1296, while the sum is 26.
The square root of 131614613 is about 11472.3412170315. The cubic root of 131614613 is about 508.6683354683.
The spelling of 131614613 in words is "one hundred thirty-one million, six hundred fourteen thousand, six hundred thirteen".
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