Base | Representation |
---|---|
bin | 110000001001… |
… | …110101000100 |
3 | 212202022201220 |
4 | 300021311010 |
5 | 11212420142 |
6 | 1130320340 |
7 | 212203152 |
oct | 60116504 |
9 | 25668656 |
10 | 12623172 |
11 | 7141a81 |
12 | 42890b0 |
13 | 27cc843 |
14 | 19683d2 |
15 | 11952ec |
hex | c09d44 |
12623172 has 24 divisors (see below), whose sum is σ = 29519616. Its totient is φ = 4198368.
The previous prime is 12623089. The next prime is 12623189. The reversal of 12623172 is 27132621.
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, 6418 + ... + 8150.
It is an arithmetic number, because the mean of its divisors is an integer number (1229984).
Almost surely, 212623172 is an apocalyptic number.
12623172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12623172 is an abundant number, since it is smaller than the sum of its proper divisors (16896444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12623172 is a wasteful number, since it uses less digits than its factorization.
12623172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2347 (or 2345 counting only the distinct ones).
The product of its digits is 1008, while the sum is 24.
The square root of 12623172 is about 3552.9103563135. The cubic root of 12623172 is about 232.8392365463.
Adding to 12623172 its reverse (27132621), we get a palindrome (39755793).
The spelling of 12623172 in words is "twelve million, six hundred twenty-three thousand, one hundred seventy-two".
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