Base | Representation |
---|---|
bin | 110001000101… |
… | …100110010000 |
3 | 220012202120000 |
4 | 301011212100 |
5 | 11243233414 |
6 | 1135450000 |
7 | 214242663 |
oct | 61054620 |
9 | 26182500 |
10 | 12867984 |
11 | 72999a8 |
12 | 4386900 |
13 | 28870bc |
14 | 19cd6da |
15 | 11e2b09 |
hex | c45990 |
12867984 has 50 divisors (see below), whose sum is σ = 37247430. Its totient is φ = 4288896.
The previous prime is 12867977. The next prime is 12868003. The reversal of 12867984 is 48976821.
It can be written as a sum of positive squares in only one way, i.e., 9363600 + 3504384 = 3060^2 + 1872^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3669 + ... + 6260.
Almost surely, 212867984 is an apocalyptic number.
It is an amenable number.
12867984 is an abundant number, since it is smaller than the sum of its proper divisors (24379446).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12867984 is an equidigital number, since it uses as much as digits as its factorization.
12867984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9949 (or 9934 counting only the distinct ones).
The product of its digits is 193536, while the sum is 45.
The square root of 12867984 is about 3587.1972346109. The cubic root of 12867984 is about 234.3348263943.
The spelling of 12867984 in words is "twelve million, eight hundred sixty-seven thousand, nine hundred eighty-four".
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