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13031130 = 235762053
BaseRepresentation
bin110001101101…
…011011011010
3220112001100110
4301231123122
511313444010
61143145150
7215522430
oct61553332
926461313
1013031130
1173a0532
1244451b6
132913438
141a32d50
151226120
hexc6d6da

13031130 has 32 divisors (see below), whose sum is σ = 35743104. Its totient is φ = 2978496.

The previous prime is 13031101. The next prime is 13031159. The reversal of 13031130 is 3113031.

It is an interprime number because it is at equal distance from previous prime (13031101) and next prime (13031159).

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, 30817 + ... + 31236.

It is an arithmetic number, because the mean of its divisors is an integer number (1116972).

Almost surely, 213031130 is an apocalyptic number.

13031130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13031130 is an abundant number, since it is smaller than the sum of its proper divisors (22711974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13031130 is a wasteful number, since it uses less digits than its factorization.

13031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62070.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 13031130 is about 3609.8656484695. The cubic root of 13031130 is about 235.3210039007.

Adding to 13031130 its reverse (3113031), we get a palindrome (16144161).

The spelling of 13031130 in words is "thirteen million, thirty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 62053 124106 186159 310265 372318 434371 620530 868742 930795 1303113 1861590 2171855 2606226 4343710 6515565 13031130