Base | Representation |
---|---|
bin | 1111110000101… |
… | …11010001110000 |
3 | 100012210021010221 |
4 | 13320113101300 |
5 | 232321402140 |
6 | 21041502424 |
7 | 3163550104 |
oct | 770272160 |
9 | 305707127 |
10 | 132215920 |
11 | 686a5861 |
12 | 38341a14 |
13 | 21513295 |
14 | 137b9904 |
15 | b91a14a |
hex | 7e17470 |
132215920 has 40 divisors (see below), whose sum is σ = 313212096. Its totient is φ = 51886848.
The previous prime is 132215887. The next prime is 132215933. The reversal of 132215920 is 29512231.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11352 + ... + 19831.
Almost surely, 2132215920 is an apocalyptic number.
132215920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
132215920 is an abundant number, since it is smaller than the sum of its proper divisors (180996176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
132215920 is a wasteful number, since it uses less digits than its factorization.
132215920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31249 (or 31243 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 132215920 is about 11498.5181653985. The cubic root of 132215920 is about 509.4418088691.
The spelling of 132215920 in words is "one hundred thirty-two million, two hundred fifteen thousand, nine hundred twenty".
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