Base | Representation |
---|---|
bin | 1011111101111101100 |
3 | 201220221220 |
4 | 1133233230 |
5 | 100022142 |
6 | 12223340 |
7 | 3222234 |
oct | 1375754 |
9 | 656856 |
10 | 392172 |
11 | 248710 |
12 | 16ab50 |
13 | 109671 |
14 | a2cc4 |
15 | 7b2ec |
hex | 5fbec |
392172 has 24 divisors (see below), whose sum is σ = 998592. Its totient is φ = 118800.
The previous prime is 392159. The next prime is 392177. The reversal of 392172 is 271293.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 392172.
It is not an unprimeable number, because it can be changed into a prime (392177) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354 + ... + 1617.
It is an arithmetic number, because the mean of its divisors is an integer number (41608).
2392172 is an apocalyptic number.
It is an amenable number.
392172 is an abundant number, since it is smaller than the sum of its proper divisors (606420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
392172 is a wasteful number, since it uses less digits than its factorization.
392172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2989 (or 2987 counting only the distinct ones).
The product of its digits is 756, while the sum is 24.
The square root of 392172 is about 626.2363770973. The cubic root of 392172 is about 73.1968167268.
It can be divided in two parts, 3921 and 72, that added together give a palindrome (3993).
The spelling of 392172 in words is "three hundred ninety-two thousand, one hundred seventy-two".
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