Base | Representation |
---|---|
bin | 1111101101000… |
… | …01010010010101 |
3 | 100011212201012021 |
4 | 13312201102111 |
5 | 232210421004 |
6 | 21023253141 |
7 | 3156465100 |
oct | 766412225 |
9 | 304781167 |
10 | 131732629 |
11 | 683a5746 |
12 | 3814a1b1 |
13 | 213a4302 |
14 | 136d1737 |
15 | b871d54 |
hex | 7da1495 |
131732629 has 6 divisors (see below), whose sum is σ = 153240054. Its totient is φ = 112913640.
The previous prime is 131732599. The next prime is 131732641. The reversal of 131732629 is 926237131.
It can be written as a sum of positive squares in only one way, i.e., 111724900 + 20007729 = 10570^2 + 4473^2 .
It is not a de Polignac number, because 131732629 - 25 = 131732597 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131732594 and 131732603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131732669) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1344162 + ... + 1344259.
It is an arithmetic number, because the mean of its divisors is an integer number (25540009).
Almost surely, 2131732629 is an apocalyptic number.
It is an amenable number.
131732629 is a deficient number, since it is larger than the sum of its proper divisors (21507425).
131732629 is an equidigital number, since it uses as much as digits as its factorization.
131732629 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2688435 (or 2688428 counting only the distinct ones).
The product of its digits is 13608, while the sum is 34.
The square root of 131732629 is about 11477.4835656602. The cubic root of 131732629 is about 508.8203273761.
The spelling of 131732629 in words is "one hundred thirty-one million, seven hundred thirty-two thousand, six hundred twenty-nine".
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