Base | Representation |
---|---|
bin | 1111111011000… |
… | …10011001100000 |
3 | 100022100011121020 |
4 | 13331202121200 |
5 | 233143302232 |
6 | 21130525440 |
7 | 3211226205 |
oct | 775423140 |
9 | 308304536 |
10 | 133572192 |
11 | 69441846 |
12 | 38896880 |
13 | 21899700 |
14 | 13a4dcac |
15 | bad6e2c |
hex | 7f62660 |
133572192 has 72 divisors (see below), whose sum is σ = 379719144. Its totient is φ = 41094144.
The previous prime is 133572191. The next prime is 133572199. The reversal of 133572192 is 291275331.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133572191) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12108 + ... + 20340.
It is an arithmetic number, because the mean of its divisors is an integer number (5273877).
Almost surely, 2133572192 is an apocalyptic number.
133572192 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 133572192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189859572).
133572192 is an abundant number, since it is smaller than the sum of its proper divisors (246146952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133572192 is a wasteful number, since it uses less digits than its factorization.
133572192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8272 (or 8251 counting only the distinct ones).
The product of its digits is 11340, while the sum is 33.
The square root of 133572192 is about 11557.3436394355. The cubic root of 133572192 is about 511.1778390231.
The spelling of 133572192 in words is "one hundred thirty-three million, five hundred seventy-two thousand, one hundred ninety-two".
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