Base | Representation |
---|---|
bin | 101110110010… |
… | …011111001100 |
3 | 212002010222211 |
4 | 232302133030 |
5 | 11114443140 |
6 | 1114520204 |
7 | 206153146 |
oct | 56623714 |
9 | 25063884 |
10 | 12265420 |
11 | 6a18212 |
12 | 4136064 |
13 | 2705a5b |
14 | 18b3c96 |
15 | 11242ea |
hex | bb27cc |
12265420 has 24 divisors (see below), whose sum is σ = 25830000. Its totient is φ = 4892352.
The previous prime is 12265411. The next prime is 12265433. The reversal of 12265420 is 2456221.
It is a junction number, because it is equal to n+sod(n) for n = 12265391 and 12265400.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9366 + ... + 10594.
It is an arithmetic number, because the mean of its divisors is an integer number (1076250).
Almost surely, 212265420 is an apocalyptic number.
12265420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12265420 is an abundant number, since it is smaller than the sum of its proper divisors (13564580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12265420 is a wasteful number, since it uses less digits than its factorization.
12265420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1737 (or 1735 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 12265420 is about 3502.2021643532. The cubic root of 12265420 is about 230.6184991178.
The spelling of 12265420 in words is "twelve million, two hundred sixty-five thousand, four hundred twenty".
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