Base | Representation |
---|---|
bin | 10001100010100… |
… | …01001000000011 |
3 | 101020212010102211 |
4 | 20301101020003 |
5 | 300131223211 |
6 | 22333322551 |
7 | 3434415661 |
oct | 1061211003 |
9 | 336763384 |
10 | 147132931 |
11 | 76064170 |
12 | 41336457 |
13 | 24636c0a |
14 | 1577dc31 |
15 | cdb4e21 |
hex | 8c51203 |
147132931 has 16 divisors (see below), whose sum is σ = 163645920. Its totient is φ = 131169280.
The previous prime is 147132917. The next prime is 147132959. The reversal of 147132931 is 139231741.
It is not a de Polignac number, because 147132931 - 213 = 147124739 is a prime.
It is a super-2 number, since 2×1471329312 = 43296198769301522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 147132893 and 147132902.
It is not an unprimeable number, because it can be changed into a prime (147132901) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133575 + ... + 134671.
It is an arithmetic number, because the mean of its divisors is an integer number (10227870).
Almost surely, 2147132931 is an apocalyptic number.
147132931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
147132931 is a deficient number, since it is larger than the sum of its proper divisors (16512989).
147132931 is a wasteful number, since it uses less digits than its factorization.
147132931 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1334.
The product of its digits is 4536, while the sum is 31.
The square root of 147132931 is about 12129.8363962586. The cubic root of 147132931 is about 527.9222449684.
The spelling of 147132931 in words is "one hundred forty-seven million, one hundred thirty-two thousand, nine hundred thirty-one".
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