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132774531 = 344258177
BaseRepresentation
bin1111110100111…
…11101010000011
3100020211122102020
413322133222003
5232442241111
621101452523
73201364521
oct772375203
9306748366
10132774531
1168a4751a
1238571143
132167a616
14138c3311
15b9ca906
hex7e9fa83

132774531 has 4 divisors (see below), whose sum is σ = 177032712. Its totient is φ = 88516352.

The previous prime is 132774461. The next prime is 132774569. The reversal of 132774531 is 135477231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135477231 = 345159077.

It is a cyclic number.

It is not a de Polignac number, because 132774531 - 214 = 132758147 is a prime.

It is a super-2 number, since 2×1327745312 = 35258152164539922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 132774492 and 132774501.

It is not an unprimeable number, because it can be changed into a prime (132774571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22129086 + ... + 22129091.

It is an arithmetic number, because the mean of its divisors is an integer number (44258178).

Almost surely, 2132774531 is an apocalyptic number.

132774531 is a deficient number, since it is larger than the sum of its proper divisors (44258181).

132774531 is an equidigital number, since it uses as much as digits as its factorization.

132774531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44258180.

The product of its digits is 17640, while the sum is 33.

The square root of 132774531 is about 11522.7831273525. The cubic root of 132774531 is about 510.1582630704.

The spelling of 132774531 in words is "one hundred thirty-two million, seven hundred seventy-four thousand, five hundred thirty-one".

Divisors: 1 3 44258177 132774531