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132928970 = 2541324217
BaseRepresentation
bin1111110110001…
…01010111001010
3100021010111021012
413323011113022
5233012211340
621105043522
73202610006
oct773052712
9307114235
10132928970
1169042559
12386265a2
13217029c5
1413923706
15ba0b565
hex7ec55ca

132928970 has 16 divisors (see below), whose sum is σ = 245108808. Its totient is φ = 51874560.

The previous prime is 132928951. The next prime is 132928973. The reversal of 132928970 is 79829231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39400729 + 93528241 = 6277^2 + 9671^2 .

It is a super-2 number, since 2×1329289702 = 35340222130521800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (132928973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161699 + ... + 162518.

Almost surely, 2132928970 is an apocalyptic number.

132928970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

132928970 is a deficient number, since it is larger than the sum of its proper divisors (112179838).

132928970 is a wasteful number, since it uses less digits than its factorization.

132928970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324265.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 132928970 is about 11529.4826423392. The cubic root of 132928970 is about 510.3559862409.

The spelling of 132928970 in words is "one hundred thirty-two million, nine hundred twenty-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 41 82 205 410 324217 648434 1621085 3242170 13292897 26585794 66464485 132928970