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13681060 = 225684053
BaseRepresentation
bin110100001100…
…000110100100
3221202001212221
4310030012210
512000243220
61205122124
7224200321
oct64140644
927661787
1013681060
1177a4868
1246b9344
132ab0203
141b61b48
1513039aa
hexd0c1a4

13681060 has 12 divisors (see below), whose sum is σ = 28730268. Its totient is φ = 5472416.

The previous prime is 13681037. The next prime is 13681091. The reversal of 13681060 is 6018631.

It can be written as a sum of positive squares in 2 ways, for example, as 9784384 + 3896676 = 3128^2 + 1974^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342007 + ... + 342046.

It is an arithmetic number, because the mean of its divisors is an integer number (2394189).

Almost surely, 213681060 is an apocalyptic number.

13681060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13681060 is an abundant number, since it is smaller than the sum of its proper divisors (15049208).

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

13681060 is a wasteful number, since it uses less digits than its factorization.

13681060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684062 (or 684060 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 13681060 is about 3698.7916945943. The cubic root of 13681060 is about 239.1699333581.

Adding to 13681060 its reverse (6018631), we get a palindrome (19699691).

The spelling of 13681060 in words is "thirteen million, six hundred eighty-one thousand, sixty".

Divisors: 1 2 4 5 10 20 684053 1368106 2736212 3420265 6840530 13681060