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32813130 = 2357156253
BaseRepresentation
bin111110100101…
…1000001001010
32021202002011010
41331023001022
531400010010
63131144350
7545623050
oct175130112
967662133
1032813130
1117581a99
12aba50b6
136a4b56c
1445021d0
152d32620
hex1f4b04a

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".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 156253 312506 468759 781265 937518 1093771 1562530 2187542 2343795 3281313 4687590 5468855 6562626 10937710 16406565 32813130