Base | Representation |
---|---|
bin | 111110100101… |
… | …1000001001010 |
3 | 2021202002011010 |
4 | 1331023001022 |
5 | 31400010010 |
6 | 3131144350 |
7 | 545623050 |
oct | 175130112 |
9 | 67662133 |
10 | 32813130 |
11 | 17581a99 |
12 | aba50b6 |
13 | 6a4b56c |
14 | 45021d0 |
15 | 2d32620 |
hex | 1f4b04a |
32813130 has 32 divisors (see below), whose sum is σ = 90002304. Its totient is φ = 7500096.
The previous prime is 32813129. The next prime is 32813141. The reversal of 32813130 is 3131823.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 32813097 and 32813106.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77917 + ... + 78336.
It is an arithmetic number, because the mean of its divisors is an integer number (2812572).
Almost surely, 232813130 is an apocalyptic number.
32813130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
32813130 is an abundant number, since it is smaller than the sum of its proper divisors (57189174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32813130 is a wasteful number, since it uses less digits than its factorization.
32813130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156270.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 32813130 is about 5728.2746093392. The cubic root of 32813130 is about 320.1468401604.
Adding to 32813130 its reverse (3131823), we get a palindrome (35944953).
The spelling of 32813130 in words is "thirty-two million, eight hundred thirteen thousand, one hundred thirty".
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