Base | Representation |
---|---|
bin | 110100010010… |
… | …101101101100 |
3 | 221210110000220 |
4 | 310102231230 |
5 | 12002130030 |
6 | 1205451340 |
7 | 224342265 |
oct | 64225554 |
9 | 27713026 |
10 | 13708140 |
11 | 7813146 |
12 | 4710b50 |
13 | 2abc634 |
14 | 1b6b96c |
15 | 130ba10 |
hex | d12b6c |
13708140 has 24 divisors (see below), whose sum is σ = 38382960. Its totient is φ = 3655488.
The previous prime is 13708129. The next prime is 13708147. The reversal of 13708140 is 4180731.
13708140 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 13708140.
It is not an unprimeable number, because it can be changed into a prime (13708147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114175 + ... + 114294.
It is an arithmetic number, because the mean of its divisors is an integer number (1599290).
Almost surely, 213708140 is an apocalyptic number.
13708140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13708140 is an abundant number, since it is smaller than the sum of its proper divisors (24674820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13708140 is a wasteful number, since it uses less digits than its factorization.
13708140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228481 (or 228479 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 13708140 is about 3702.4505398452. The cubic root of 13708140 is about 239.3276319865.
Adding to 13708140 its reverse (4180731), we get a palindrome (17888871).
The spelling of 13708140 in words is "thirteen million, seven hundred eight thousand, one hundred forty".
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