Base | Representation |
---|---|
bin | 1111110101101… |
… | …11000011110011 |
3 | 100021000111220110 |
4 | 13322313003303 |
5 | 233003323022 |
6 | 21103512403 |
7 | 3202244136 |
oct | 772670363 |
9 | 307014813 |
10 | 132870387 |
11 | 69002541 |
12 | 385b8703 |
13 | 216b2140 |
14 | 1390a21d |
15 | b9e900c |
hex | 7eb70f3 |
132870387 has 16 divisors (see below), whose sum is σ = 195227648. Its totient is φ = 79863840.
The previous prime is 132870349. The next prime is 132870391. The reversal of 132870387 is 783078231.
It is not a de Polignac number, because 132870387 - 28 = 132870131 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (132870187) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37939 + ... + 41292.
It is an arithmetic number, because the mean of its divisors is an integer number (12201728).
Almost surely, 2132870387 is an apocalyptic number.
132870387 is a deficient number, since it is larger than the sum of its proper divisors (62357261).
132870387 is a wasteful number, since it uses less digits than its factorization.
132870387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79290.
The product of its (nonzero) digits is 56448, while the sum is 39.
The square root of 132870387 is about 11526.9417886966. The cubic root of 132870387 is about 510.2810023907.
The spelling of 132870387 in words is "one hundred thirty-two million, eight hundred seventy thousand, three hundred eighty-seven".
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