Base | Representation |
---|---|
bin | 110101010011… |
… | …001110001101 |
3 | 222021212111000 |
4 | 311103032031 |
5 | 12034103430 |
6 | 1215250513 |
7 | 226522521 |
oct | 65231615 |
9 | 28255430 |
10 | 13972365 |
11 | 7983710 |
12 | 4819a39 |
13 | 2b82994 |
14 | 1bd9d81 |
15 | 135ee60 |
hex | d5338d |
13972365 has 48 divisors (see below), whose sum is σ = 27380160. Its totient is φ = 6704640.
The previous prime is 13972363. The next prime is 13972367. The reversal of 13972365 is 56327931.
It is an interprime number because it is at equal distance from previous prime (13972363) and next prime (13972367).
It is not a de Polignac number, because 13972365 - 21 = 13972363 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13972363) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 143997 + ... + 144093.
It is an arithmetic number, because the mean of its divisors is an integer number (570420).
Almost surely, 213972365 is an apocalyptic number.
13972365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13972365 is a deficient number, since it is larger than the sum of its proper divisors (13407795).
13972365 is an equidigital number, since it uses as much as digits as its factorization.
13972365 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219 (or 116 counting only the distinct ones).
The product of its digits is 34020, while the sum is 36.
The square root of 13972365 is about 3737.9626803916. The cubic root of 13972365 is about 240.8555403375.
The spelling of 13972365 in words is "thirteen million, nine hundred seventy-two thousand, three hundred sixty-five".
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