Base | Representation |
---|---|
bin | 100010111111… |
… | …010010111000 |
3 | 122020222211100 |
4 | 202333102320 |
5 | 4322002102 |
6 | 524331400 |
7 | 140650653 |
oct | 42772270 |
9 | 18228740 |
10 | 9172152 |
11 | 51a51a0 |
12 | 30a3b60 |
13 | 1b91b12 |
14 | 130a89a |
15 | c12a1c |
hex | 8bf4b8 |
9172152 has 96 divisors (see below), whose sum is σ = 27920880. Its totient is φ = 2695680.
The previous prime is 9172133. The next prime is 9172153. The reversal of 9172152 is 2512719.
It is a super-2 number, since 2×91721522 = 168256744622208, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9172153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29148 + ... + 29460.
Almost surely, 29172152 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 9172152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13960440).
9172152 is an abundant number, since it is smaller than the sum of its proper divisors (18748728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9172152 is a wasteful number, since it uses less digits than its factorization.
9172152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 373 (or 366 counting only the distinct ones).
The product of its digits is 1260, while the sum is 27.
The square root of 9172152 is about 3028.5560916054. The cubic root of 9172152 is about 209.3262762394.
The spelling of 9172152 in words is "nine million, one hundred seventy-two thousand, one hundred fifty-two".
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