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132570897 = 344190299
BaseRepresentation
bin1111110011011…
…01111100010001
3100020110022002020
413321231330101
5232414232042
621053242053
73166556034
oct771557421
9306408066
10132570897
1168918528
1238493329
1321608a24
141386d01b
15b98a3ec
hex7e6df11

132570897 has 4 divisors (see below), whose sum is σ = 176761200. Its totient is φ = 88380596.

The previous prime is 132570871. The next prime is 132570899. The reversal of 132570897 is 798075231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 798075231 = 3266025077.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-132570897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132570899) 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, 22095147 + ... + 22095152.

It is an arithmetic number, because the mean of its divisors is an integer number (44190300).

Almost surely, 2132570897 is an apocalyptic number.

It is an amenable number.

132570897 is a deficient number, since it is larger than the sum of its proper divisors (44190303).

132570897 is an equidigital number, since it uses as much as digits as its factorization.

132570897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44190302.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 132570897 is about 11513.9435902735. The cubic root of 132570897 is about 509.8973226590.

The spelling of 132570897 in words is "one hundred thirty-two million, five hundred seventy thousand, eight hundred ninety-seven".

Divisors: 1 3 44190299 132570897