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31482130 = 2517185189
BaseRepresentation
bin111100000011…
…0000100010010
32012020110100211
41320012010102
531024412010
63042434334
7531410431
oct170060422
965213324
1031482130
1116852a99
12a6629aa
1366a37a4
144277118
152b6d08a
hex1e06112

31482130 has 16 divisors (see below), whose sum is σ = 60001560. Its totient is φ = 11852032.

The previous prime is 31482119. The next prime is 31482167. The reversal of 31482130 is 3128413.

It can be written as a sum of positive squares in 4 ways, for example, as 31438449 + 43681 = 5607^2 + 209^2 .

It is a super-2 number, since 2×314821302 = 1982249018673800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92425 + ... + 92764.

Almost surely, 231482130 is an apocalyptic number.

31482130 is a deficient number, since it is larger than the sum of its proper divisors (28519430).

31482130 is a wasteful number, since it uses less digits than its factorization.

31482130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185213.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 31482130 is about 5610.8938681818. The cubic root of 31482130 is about 315.7582472388.

The spelling of 31482130 in words is "thirty-one million, four hundred eighty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 185189 370378 925945 1851890 3148213 6296426 15741065 31482130