Base | Representation |
---|---|
bin | 1111110000110… |
… | …00010111100101 |
3 | 100012210111021110 |
4 | 13320120113211 |
5 | 232322023024 |
6 | 21041535233 |
7 | 3163566120 |
oct | 770302745 |
9 | 305714243 |
10 | 132220389 |
11 | 686a9154 |
12 | 38344519 |
13 | 21515322 |
14 | 137bb3b7 |
15 | b91b629 |
hex | 7e185e5 |
132220389 has 24 divisors (see below), whose sum is σ = 204520000. Its totient is φ = 74430720.
The previous prime is 132220343. The next prime is 132220391. The reversal of 132220389 is 983022231.
It is a happy number.
It is not a de Polignac number, because 132220389 - 223 = 123831781 is a prime.
It is a super-2 number, since 2×1322203892 = 34964462534622642, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132221389) 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, 105237 + ... + 106485.
Almost surely, 2132220389 is an apocalyptic number.
It is an amenable number.
132220389 is a deficient number, since it is larger than the sum of its proper divisors (72299611).
132220389 is an equidigital number, since it uses as much as digits as its factorization.
132220389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1401 (or 1330 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 132220389 is about 11498.7124931446. The cubic root of 132220389 is about 509.4475486464.
The spelling of 132220389 in words is "one hundred thirty-two million, two hundred twenty thousand, three hundred eighty-nine".
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