Base | Representation |
---|---|
bin | 1111110001001… |
… | …01000000101100 |
3 | 100012220010022100 |
4 | 13320211000230 |
5 | 232330202142 |
6 | 21043015100 |
7 | 3164203104 |
oct | 770450054 |
9 | 305803270 |
10 | 132272172 |
11 | 6873404a |
12 | 3836a490 |
13 | 21532a76 |
14 | 137d2204 |
15 | b92bb4c |
hex | 7e2502c |
132272172 has 72 divisors (see below), whose sum is σ = 369454176. Its totient is φ = 39688704.
The previous prime is 132272123. The next prime is 132272177. The reversal of 132272172 is 271272231.
It is not an unprimeable number, because it can be changed into a prime (132272177) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9378 + ... + 18774.
It is an arithmetic number, because the mean of its divisors is an integer number (5131308).
Almost surely, 2132272172 is an apocalyptic number.
132272172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 132272172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184727088).
132272172 is an abundant number, since it is smaller than the sum of its proper divisors (237182004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
132272172 is a wasteful number, since it uses less digits than its factorization.
132272172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9447 (or 9442 counting only the distinct ones).
The product of its digits is 2352, while the sum is 27.
The square root of 132272172 is about 11500.9639595992. The cubic root of 132272172 is about 509.5140469110.
The spelling of 132272172 in words is "one hundred thirty-two million, two hundred seventy-two thousand, one hundred seventy-two".
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