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13805060 = 2252330011
BaseRepresentation
bin110100101010…
…011000000100
3221222100222112
4310222120010
512013230220
61211520152
7225224663
oct64523004
927870875
1013805060
117879a45
124759058
132b24799
141b94dda
15132a5c5
hexd2a604

13805060 has 24 divisors (see below), whose sum is σ = 30252096. Its totient is φ = 5281760.

The previous prime is 13805059. The next prime is 13805087. The reversal of 13805060 is 6050831.

It is a Harshad number since it is a multiple of its sum of digits (23).

13805060 is a modest number, since divided by 5060 gives 1380 as remainder.

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, 14546 + ... + 15465.

It is an arithmetic number, because the mean of its divisors is an integer number (1260504).

Almost surely, 213805060 is an apocalyptic number.

13805060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13805060 is an abundant number, since it is smaller than the sum of its proper divisors (16447036).

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

13805060 is a wasteful number, since it uses less digits than its factorization.

13805060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30043 (or 30041 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 13805060 is about 3715.5161148890. The cubic root of 13805060 is about 239.8903434238.

Adding to 13805060 its reverse (6050831), we get a palindrome (19855891).

The spelling of 13805060 in words is "thirteen million, eight hundred five thousand, sixty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 30011 60022 120044 150055 300110 600220 690253 1380506 2761012 3451265 6902530 13805060