Base | Representation |
---|---|
bin | 110100111010… |
… | …011110000110 |
3 | 222002201102002 |
4 | 310322132012 |
5 | 12022332412 |
6 | 1213145302 |
7 | 225621116 |
oct | 64723606 |
9 | 28081362 |
10 | 13870982 |
11 | 7914524 |
12 | 478b232 |
13 | 2b487a8 |
14 | 1bb1046 |
15 | 133edc2 |
hex | d3a786 |
13870982 has 4 divisors (see below), whose sum is σ = 20806476. Its totient is φ = 6935490.
The previous prime is 13870979. The next prime is 13871023. The reversal of 13870982 is 28907831.
It is a semiprime because it is the product of two primes.
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 as a sum of consecutive naturals, namely, 3467744 + ... + 3467747.
It is an arithmetic number, because the mean of its divisors is an integer number (5201619).
Almost surely, 213870982 is an apocalyptic number.
13870982 is a deficient number, since it is larger than the sum of its proper divisors (6935494).
13870982 is an equidigital number, since it uses as much as digits as its factorization.
13870982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6935493.
The product of its (nonzero) digits is 24192, while the sum is 38.
The square root of 13870982 is about 3724.3767263799. The cubic root of 13870982 is about 240.2715791447.
The spelling of 13870982 in words is "thirteen million, eight hundred seventy thousand, nine hundred eighty-two".
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