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132860789 = 1297102437
BaseRepresentation
bin1111110101101…
…00101101110101
3100021000000201222
413322310231311
5233003021124
621103400125
73202204145
oct772645565
9307000658
10132860789
1168aa6306
12385b3045
13216aa969
1413906925
15b9e625e
hex7eb4b75

132860789 has 4 divisors (see below), whose sum is σ = 132964524. Its totient is φ = 132757056.

The previous prime is 132860759. The next prime is 132860807. The reversal of 132860789 is 987068231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 987068231 = 1496624619.

It can be written as a sum of positive squares in 2 ways, for example, as 131285764 + 1575025 = 11458^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 132860789 - 212 = 132856693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132860759) 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, 49922 + ... + 52515.

It is an arithmetic number, because the mean of its divisors is an integer number (33241131).

Almost surely, 2132860789 is an apocalyptic number.

It is an amenable number.

132860789 is a deficient number, since it is larger than the sum of its proper divisors (103735).

132860789 is a wasteful number, since it uses less digits than its factorization.

132860789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103734.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 132860789 is about 11526.5254521907. The cubic root of 132860789 is about 510.2687152410.

The spelling of 132860789 in words is "one hundred thirty-two million, eight hundred sixty thousand, seven hundred eighty-nine".

Divisors: 1 1297 102437 132860789