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132581073 = 3439100669
BaseRepresentation
bin1111110011100…
…00011011010001
3100020110211001010
413321300123101
5232420043243
621053401133
73166630512
oct771603321
9306424033
10132581073
1168925139
12384991a9
1321610551
1413872a09
15b98d433
hex7e706d1

132581073 has 8 divisors (see below), whose sum is σ = 177179200. Its totient is φ = 88185168.

The previous prime is 132581051. The next prime is 132581077. The reversal of 132581073 is 370185231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 132581073 - 25 = 132581041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132581073.

It is not an unprimeable number, because it can be changed into a prime (132581077) 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, 49018 + ... + 51651.

It is an arithmetic number, because the mean of its divisors is an integer number (22147400).

Almost surely, 2132581073 is an apocalyptic number.

It is an amenable number.

132581073 is a deficient number, since it is larger than the sum of its proper divisors (44598127).

132581073 is a wasteful number, since it uses less digits than its factorization.

132581073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101111.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 132581073 is about 11514.3854807801. The cubic root of 132581073 is about 509.9103687160.

The spelling of 132581073 in words is "one hundred thirty-two million, five hundred eighty-one thousand, seventy-three".

Divisors: 1 3 439 1317 100669 302007 44193691 132581073