Base | Representation |
---|---|
bin | 101111110110… |
… | …010000000110 |
3 | 212121020201220 |
4 | 233312100012 |
5 | 11202333412 |
6 | 1124501210 |
7 | 211420314 |
oct | 57662006 |
9 | 25536656 |
10 | 12542982 |
11 | 7097801 |
12 | 424a806 |
13 | 27a21aa |
14 | 19470b4 |
15 | 117b68c |
hex | bf6406 |
12542982 has 8 divisors (see below), whose sum is σ = 25085976. Its totient is φ = 4180992.
The previous prime is 12542951. The next prime is 12542989. The reversal of 12542982 is 28924521.
12542982 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 sphenic number, since it is the product of 3 distinct primes.
12542982 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12542989) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045243 + ... + 1045254.
It is an arithmetic number, because the mean of its divisors is an integer number (3135747).
Almost surely, 212542982 is an apocalyptic number.
12542982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12542982 is a wasteful number, since it uses less digits than its factorization.
12542982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2090502.
The product of its digits is 11520, while the sum is 33.
The square root of 12542982 is about 3541.6072622469. The cubic root of 12542982 is about 232.3451437305.
The spelling of 12542982 in words is "twelve million, five hundred forty-two thousand, nine hundred eighty-two".
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