Base | Representation |
---|---|
bin | 101101011111… |
… | …011010110100 |
3 | 211102212021001 |
4 | 231133122310 |
5 | 11023101142 |
6 | 1103333044 |
7 | 203235160 |
oct | 55373264 |
9 | 24385231 |
10 | 11925172 |
11 | 6805616 |
12 | 3bb1184 |
13 | 2616c1c |
14 | 1825ca0 |
15 | 10a85b7 |
hex | b5f6b4 |
11925172 has 12 divisors (see below), whose sum is σ = 23850400. Its totient is φ = 5110776.
The previous prime is 11925163. The next prime is 11925181. The reversal of 11925172 is 27152911.
It is an interprime number because it is at equal distance from previous prime (11925163) and next prime (11925181).
11925172 is an admirable number.
It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 425899 = 11925172 / (1 + 1 + 9 + 2 + 5 + 1 + 7 + 2).
It is a self number, because there is not a number n which added to its sum of digits gives 11925172.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212922 + ... + 212977.
Almost surely, 211925172 is an apocalyptic number.
It is an amenable number.
11925172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11925172 is a wasteful number, since it uses less digits than its factorization.
11925172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 425910 (or 425908 counting only the distinct ones).
The product of its digits is 1260, while the sum is 28.
The square root of 11925172 is about 3453.2842338852. The cubic root of 11925172 is about 228.4659855170.
The spelling of 11925172 in words is "eleven million, nine hundred twenty-five thousand, one hundred seventy-two".
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