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132485531 = 532499727
BaseRepresentation
bin1111110010110…
…01000110011011
3100020021221222112
413321121012123
5232404014111
621051342535
73166052123
oct771310633
9306257875
10132485531
116886a382
1238451a4b
13215a8c09
1413849c83
15b96ee8b
hex7e5919b

132485531 has 4 divisors (see below), whose sum is σ = 134985312. Its totient is φ = 129985752.

The previous prime is 132485519. The next prime is 132485557. The reversal of 132485531 is 135584231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135584231 = 177975543.

It is a cyclic number.

It is not a de Polignac number, because 132485531 - 218 = 132223387 is a prime.

It is a super-2 number, since 2×1324855312 = 35104831848703922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132485831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249811 + ... + 1249916.

It is an arithmetic number, because the mean of its divisors is an integer number (33746328).

Almost surely, 2132485531 is an apocalyptic number.

132485531 is a deficient number, since it is larger than the sum of its proper divisors (2499781).

132485531 is an equidigital number, since it uses as much as digits as its factorization.

132485531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499780.

The product of its digits is 14400, while the sum is 32.

The square root of 132485531 is about 11510.2359228645. The cubic root of 132485531 is about 509.7878535822.

The spelling of 132485531 in words is "one hundred thirty-two million, four hundred eighty-five thousand, five hundred thirty-one".

Divisors: 1 53 2499727 132485531