Base | Representation |
---|---|
bin | 110011000100… |
… | …000000001100 |
3 | 221012001210011 |
4 | 303010000030 |
5 | 11411320430 |
6 | 1154523004 |
7 | 221530324 |
oct | 63040014 |
9 | 27161704 |
10 | 13385740 |
11 | 76129a5 |
12 | 4596464 |
13 | 2a08974 |
14 | 1ac6284 |
15 | 129622a |
hex | cc400c |
13385740 has 12 divisors (see below), whose sum is σ = 28110096. Its totient is φ = 5354288.
The previous prime is 13385731. The next prime is 13385759. The reversal of 13385740 is 4758331.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334624 + ... + 334663.
It is an arithmetic number, because the mean of its divisors is an integer number (2342508).
Almost surely, 213385740 is an apocalyptic number.
13385740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13385740 is an abundant number, since it is smaller than the sum of its proper divisors (14724356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13385740 is a wasteful number, since it uses less digits than its factorization.
13385740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 669296 (or 669294 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 13385740 is about 3658.6527575051. The cubic root of 13385740 is about 237.4364890196.
The spelling of 13385740 in words is "thirteen million, three hundred eighty-five thousand, seven hundred forty".
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