Base | Representation |
---|---|
bin | 1110101001010… |
… | …10001101000100 |
3 | 22120011202002212 |
4 | 13110222031010 |
5 | 222422400020 |
6 | 20105122552 |
7 | 3021155342 |
oct | 724521504 |
9 | 276152085 |
10 | 122856260 |
11 | 633927aa |
12 | 35189458 |
13 | 1c5b7017 |
14 | 12460992 |
15 | abbbcc5 |
hex | 752a344 |
122856260 has 12 divisors (see below), whose sum is σ = 257998188. Its totient is φ = 49142496.
The previous prime is 122856221. The next prime is 122856269. The reversal of 122856260 is 62658221.
It can be written as a sum of positive squares in 2 ways, for example, as 49308484 + 73547776 = 7022^2 + 8576^2 .
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (122856269) 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, 3071387 + ... + 3071426.
It is an arithmetic number, because the mean of its divisors is an integer number (21499849).
Almost surely, 2122856260 is an apocalyptic number.
122856260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122856260 is an abundant number, since it is smaller than the sum of its proper divisors (135141928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122856260 is a wasteful number, since it uses less digits than its factorization.
122856260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6142822 (or 6142820 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 32.
The square root of 122856260 is about 11084.0543123895. The cubic root of 122856260 is about 497.1251825279.
The spelling of 122856260 in words is "one hundred twenty-two million, eight hundred fifty-six thousand, two hundred sixty".
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