Search a number
-
+
132943657 = 71123271277
BaseRepresentation
bin1111110110010…
…00111100101001
3100021011020102011
413323020330221
5233013144112
621105235521
73203000560
oct773107451
9307136364
10132943657
11690525a0
1238632ba1
13217095b2
1413928bd7
15ba10aa7
hex7ec8f29

132943657 has 32 divisors (see below), whose sum is σ = 174219264. Its totient is φ = 98366400.

The previous prime is 132943639. The next prime is 132943669. The reversal of 132943657 is 756349231.

It is a happy number.

It is not a de Polignac number, because 132943657 - 27 = 132943529 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132943637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479803 + ... + 480079.

It is an arithmetic number, because the mean of its divisors is an integer number (5444352).

Almost surely, 2132943657 is an apocalyptic number.

It is an amenable number.

132943657 is a deficient number, since it is larger than the sum of its proper divisors (41275607).

132943657 is a wasteful number, since it uses less digits than its factorization.

132943657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589.

The product of its digits is 136080, while the sum is 40.

The square root of 132943657 is about 11530.1195570558. The cubic root of 132943657 is about 510.3747815477.

The spelling of 132943657 in words is "one hundred thirty-two million, nine hundred forty-three thousand, six hundred fifty-seven".

Divisors: 1 7 11 23 77 161 253 271 277 1771 1897 1939 2981 3047 6233 6371 20867 21329 43631 44597 68563 70081 75067 479941 490567 525469 825737 1726541 5780159 12085787 18991951 132943657