Base | Representation |
---|---|
bin | 110000110000… |
… | …101111101100 |
3 | 220001102101121 |
4 | 300300233230 |
5 | 11233020242 |
6 | 1133550324 |
7 | 213435655 |
oct | 60605754 |
9 | 26042347 |
10 | 12782572 |
11 | 7240810 |
12 | 43453a4 |
13 | 285726a |
14 | 19aa52c |
15 | 11c7667 |
hex | c30bec |
12782572 has 48 divisors (see below), whose sum is σ = 26998272. Its totient is φ = 5223680.
The previous prime is 12782513. The next prime is 12782599. The reversal of 12782572 is 27528721.
12782572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16833 + ... + 17575.
It is an arithmetic number, because the mean of its divisors is an integer number (562464).
Almost surely, 212782572 is an apocalyptic number.
It is an amenable number.
12782572 is an abundant number, since it is smaller than the sum of its proper divisors (14215700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12782572 is a wasteful number, since it uses less digits than its factorization.
12782572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 798 (or 796 counting only the distinct ones).
The product of its digits is 15680, while the sum is 34.
The square root of 12782572 is about 3575.2722973223. The cubic root of 12782572 is about 233.8152046259.
The spelling of 12782572 in words is "twelve million, seven hundred eighty-two thousand, five hundred seventy-two".
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