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13310520 = 2335110921
BaseRepresentation
bin110010110001…
…101000111000
3221001020121020
4302301220320
511401414040
61153142440
7221065116
oct62615070
927036536
1013310520
117571433
12455aa20
1329b0662
141aa6ab6
15127dcd0
hexcb1a38

13310520 has 32 divisors (see below), whose sum is σ = 39931920. Its totient is φ = 3549440.

The previous prime is 13310483. The next prime is 13310533. The reversal of 13310520 is 2501331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13310520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55341 + ... + 55580.

Almost surely, 213310520 is an apocalyptic number.

13310520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13310520 is an abundant number, since it is smaller than the sum of its proper divisors (26621400).

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

13310520 is a wasteful number, since it uses less digits than its factorization.

13310520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110935 (or 110931 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 13310520 is about 3648.3585350127. The cubic root of 13310520 is about 236.9909021058.

Adding to 13310520 its reverse (2501331), we get a palindrome (15811851).

The spelling of 13310520 in words is "thirteen million, three hundred ten thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 110921 221842 332763 443684 554605 665526 887368 1109210 1331052 1663815 2218420 2662104 3327630 4436840 6655260 13310520