Base | Representation |
---|---|
bin | 101110111001… |
… | …110011010100 |
3 | 212010200002110 |
4 | 232321303110 |
5 | 11121423010 |
6 | 1115311020 |
7 | 206336406 |
oct | 56716324 |
9 | 25120073 |
10 | 12295380 |
11 | 6a38779 |
12 | 414b470 |
13 | 2716596 |
14 | 18c0b76 |
15 | 112d120 |
hex | bb9cd4 |
12295380 has 24 divisors (see below), whose sum is σ = 34427232. Its totient is φ = 3278752.
The previous prime is 12295321. The next prime is 12295397. The reversal of 12295380 is 8359221.
It is a happy number.
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
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, 102402 + ... + 102521.
It is an arithmetic number, because the mean of its divisors is an integer number (1434468).
Almost surely, 212295380 is an apocalyptic number.
12295380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12295380 is an abundant number, since it is smaller than the sum of its proper divisors (22131852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12295380 is a wasteful number, since it uses less digits than its factorization.
12295380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204935 (or 204933 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 12295380 is about 3506.4768643184. The cubic root of 12295380 is about 230.8061190604.
The spelling of 12295380 in words is "twelve million, two hundred ninety-five thousand, three hundred eighty".
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