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132143652 = 223217215921
BaseRepresentation
bin1111110000001…
…01101000100100
3100012122121000100
413320011220210
5232312044102
621040144100
73163126314
oct770055044
9305577010
10132143652
1168656533
1238308030
13214b9414
141379b444
15b903a1c
hex7e05a24

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".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 215921 431842 647763 863684 1295526 1943289 2591052 3670657 3886578 7341314 7773156 11011971 14682628 22023942 33035913 44047884 66071826 132143652