Base | Representation |
---|---|
bin | 101111110110… |
… | …000110110000 |
3 | 212121012220202 |
4 | 233312012300 |
5 | 11202324014 |
6 | 1124454332 |
7 | 211415501 |
oct | 57660660 |
9 | 25535822 |
10 | 12542384 |
11 | 7097308 |
12 | 424a3a8 |
13 | 27a1b3a |
14 | 1946ba8 |
15 | 117b3de |
hex | bf61b0 |
12542384 has 20 divisors (see below), whose sum is σ = 25139760. Its totient is φ = 6054720.
The previous prime is 12542359. The next prime is 12542401. The reversal of 12542384 is 48324521.
It is a happy number.
It is a super-2 number, since 2×125423842 = 314622792806912, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (29).
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 3 ways as a sum of consecutive naturals, for example, 13052 + ... + 13979.
It is an arithmetic number, because the mean of its divisors is an integer number (1256988).
Almost surely, 212542384 is an apocalyptic number.
It is an amenable number.
12542384 is an abundant number, since it is smaller than the sum of its proper divisors (12597376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12542384 is a wasteful number, since it uses less digits than its factorization.
12542384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27068 (or 27062 counting only the distinct ones).
The product of its digits is 7680, while the sum is 29.
The square root of 12542384 is about 3541.5228362951. The cubic root of 12542384 is about 232.3414512379.
The spelling of 12542384 in words is "twelve million, five hundred forty-two thousand, three hundred eighty-four".
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