Base | Representation |
---|---|
bin | 1111110000001… |
… | …01101000100100 |
3 | 100012122121000100 |
4 | 13320011220210 |
5 | 232312044102 |
6 | 21040144100 |
7 | 3163126314 |
oct | 770055044 |
9 | 305577010 |
10 | 132143652 |
11 | 68656533 |
12 | 38308030 |
13 | 214b9414 |
14 | 1379b444 |
15 | b903a1c |
hex | 7e05a24 |
132143652 has 36 divisors (see below), whose sum is σ = 353680236. Its totient is φ = 41456640.
The previous prime is 132143647. The next prime is 132143659. The reversal of 132143652 is 256341231.
132143652 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 4 + 3 + 652 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 120692196 + 11451456 = 10986^2 + 3384^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132143659) 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, 107349 + ... + 108572.
It is an arithmetic number, because the mean of its divisors is an integer number (9824451).
Almost surely, 2132143652 is an apocalyptic number.
132143652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
132143652 is an abundant number, since it is smaller than the sum of its proper divisors (221536584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
132143652 is a wasteful number, since it uses less digits than its factorization.
132143652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215948 (or 215943 counting only the distinct ones).
The product of its digits is 4320, while the sum is 27.
The square root of 132143652 is about 11495.3752439840. The cubic root of 132143652 is about 509.3489732245.
Adding to 132143652 its reverse (256341231), we get a palindrome (388484883).
The spelling of 132143652 in words is "one hundred thirty-two million, one hundred forty-three thousand, six hundred fifty-two".
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