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132011305 = 545757773
BaseRepresentation
bin1111101111001…
…01010100101001
3100012101212110121
413313211110221
5232243330210
621033243241
73162035416
oct767452451
9305355417
10132011305
1168576058
1238263521
13214710ca
141376510d
15b8c96da
hex7de5529

132011305 has 8 divisors (see below), whose sum is σ = 158762952. Its totient is φ = 105376128.

The previous prime is 132011303. The next prime is 132011309. The reversal of 132011305 is 503110231.

It can be written as a sum of positive squares in 4 ways, for example, as 5583769 + 126427536 = 2363^2 + 11244^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 132011305 - 21 = 132011303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132011303) 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, 26602 + ... + 31171.

It is an arithmetic number, because the mean of its divisors is an integer number (19845369).

Almost surely, 2132011305 is an apocalyptic number.

It is an amenable number.

132011305 is a deficient number, since it is larger than the sum of its proper divisors (26751647).

132011305 is an equidigital number, since it uses as much as digits as its factorization.

132011305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58235.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 132011305 is about 11489.6172695177. The cubic root of 132011305 is about 509.1788721642.

Adding to 132011305 its reverse (503110231), we get a palindrome (635121536).

The spelling of 132011305 in words is "one hundred thirty-two million, eleven thousand, three hundred five".

Divisors: 1 5 457 2285 57773 288865 26402261 132011305