Search a number
-
+
132124609 = 294556021
BaseRepresentation
bin1111110000000…
…00111111000001
3100012121121220001
413320000333001
5232310441414
621035520001
73163016641
oct770007701
9305547801
10132124609
11686431a1
12382b9001
13214b0856
1413794521
15b8ed074
hex7e00fc1

132124609 has 4 divisors (see below), whose sum is σ = 136680660. Its totient is φ = 127568560.

The previous prime is 132124607. The next prime is 132124631. The reversal of 132124609 is 906421231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 906421231 = 1974601123.

It can be written as a sum of positive squares in 2 ways, for example, as 99600400 + 32524209 = 9980^2 + 5703^2 .

It is a cyclic number.

It is not a de Polignac number, because 132124609 - 21 = 132124607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132124607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2277982 + ... + 2278039.

It is an arithmetic number, because the mean of its divisors is an integer number (34170165).

Almost surely, 2132124609 is an apocalyptic number.

It is an amenable number.

132124609 is a deficient number, since it is larger than the sum of its proper divisors (4556051).

132124609 is an equidigital number, since it uses as much as digits as its factorization.

132124609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556050.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 132124609 is about 11494.5469245203. The cubic root of 132124609 is about 509.3245049071.

The spelling of 132124609 in words is "one hundred thirty-two million, one hundred twenty-four thousand, six hundred nine".

Divisors: 1 29 4556021 132124609