Base | Representation |
---|---|
bin | 110001000010… |
… | …101100001010 |
3 | 220012011012220 |
4 | 301002230022 |
5 | 11242343244 |
6 | 1135314510 |
7 | 214163160 |
oct | 61025412 |
9 | 26164186 |
10 | 12856074 |
11 | 7290a60 |
12 | 437ba36 |
13 | 288185a |
14 | 19c9230 |
15 | 11de319 |
hex | c42b0a |
12856074 has 32 divisors (see below), whose sum is σ = 32057856. Its totient is φ = 3339120.
The previous prime is 12856073. The next prime is 12856079. The reversal of 12856074 is 47065821.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (12856073) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13452 + ... + 14375.
It is an arithmetic number, because the mean of its divisors is an integer number (1001808).
Almost surely, 212856074 is an apocalyptic number.
12856074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
12856074 is an abundant number, since it is smaller than the sum of its proper divisors (19201782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12856074 is a wasteful number, since it uses less digits than its factorization.
12856074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27850.
The product of its (nonzero) digits is 13440, while the sum is 33.
The square root of 12856074 is about 3585.5367798978. The cubic root of 12856074 is about 234.2625076515.
It can be divided in two parts, 12 and 856074, that added together give a triangular number (856086 = T1308).
The spelling of 12856074 in words is "twelve million, eight hundred fifty-six thousand, seventy-four".
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