Base | Representation |
---|---|
bin | 110101010011… |
… | …100011010011 |
3 | 222021221100000 |
4 | 311103203103 |
5 | 12034124330 |
6 | 1215301043 |
7 | 226526460 |
oct | 65234323 |
9 | 28257300 |
10 | 13973715 |
11 | 7984728 |
12 | 481a783 |
13 | 2b83492 |
14 | 1bda667 |
15 | 1360560 |
hex | d538d3 |
13973715 has 96 divisors (see below), whose sum is σ = 30191616. Its totient is φ = 6065280.
The previous prime is 13973671. The next prime is 13973731. The reversal of 13973715 is 51737931.
It is not a de Polignac number, because 13973715 - 29 = 13973203 is a prime.
It is a super-3 number, since 3×139737153 (a number of 22 digits) contains 333 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 13973715.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 263629 + ... + 263681.
It is an arithmetic number, because the mean of its divisors is an integer number (314496).
Almost surely, 213973715 is an apocalyptic number.
13973715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13973715 is an abundant number, since it is smaller than the sum of its proper divisors (16217901).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13973715 is an equidigital number, since it uses as much as digits as its factorization.
13973715 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111 (or 99 counting only the distinct ones).
The product of its digits is 19845, while the sum is 36.
The square root of 13973715 is about 3738.1432556819. The cubic root of 13973715 is about 240.8632971848.
The spelling of 13973715 in words is "thirteen million, nine hundred seventy-three thousand, seven hundred fifteen".
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