Base | Representation |
---|---|
bin | 110101001111… |
… | …101100101010 |
3 | 222021010200101 |
4 | 311033230222 |
5 | 12033123210 |
6 | 1215100014 |
7 | 226432450 |
oct | 65175452 |
9 | 28233611 |
10 | 13957930 |
11 | 7973888 |
12 | 481160a |
13 | 2b7923c |
14 | 1bd49d0 |
15 | 135aa3a |
hex | d4fb2a |
13957930 has 16 divisors (see below), whose sum is σ = 28713600. Its totient is φ = 4785552.
The previous prime is 13957877. The next prime is 13957949. The reversal of 13957930 is 3975931.
It is a self number, because there is not a number n which added to its sum of digits gives 13957930.
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, 99630 + ... + 99769.
It is an arithmetic number, because the mean of its divisors is an integer number (1794600).
Almost surely, 213957930 is an apocalyptic number.
13957930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13957930 is an abundant number, since it is smaller than the sum of its proper divisors (14755670).
13957930 is a wasteful number, since it uses less digits than its factorization.
13957930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 199413.
The product of its (nonzero) digits is 25515, while the sum is 37.
The square root of 13957930 is about 3736.0313167852. The cubic root of 13957930 is about 240.7725682779.
The spelling of 13957930 in words is "thirteen million, nine hundred fifty-seven thousand, nine hundred thirty".
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