Search a number
-
+
132301561 = 718900223
BaseRepresentation
bin1111110001011…
…00001011111001
3100012221121121211
413320230023321
5232332122221
621043403121
73164354560
oct770541371
9305847554
10132301561
1168754137
12383834a1
1321543262
14137dcbd7
15b9356e1
hex7e2c2f9

132301561 has 4 divisors (see below), whose sum is σ = 151201792. Its totient is φ = 113401332.

The previous prime is 132301553. The next prime is 132301573. The reversal of 132301561 is 165103231.

It is a happy number.

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: 165103231 = 791920849.

It is a cyclic number.

It is not a de Polignac number, because 132301561 - 23 = 132301553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132301511) 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, 9450105 + ... + 9450118.

It is an arithmetic number, because the mean of its divisors is an integer number (37800448).

Almost surely, 2132301561 is an apocalyptic number.

It is an amenable number.

132301561 is a deficient number, since it is larger than the sum of its proper divisors (18900231).

132301561 is an equidigital number, since it uses as much as digits as its factorization.

132301561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18900230.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 132301561 is about 11502.2415641474. The cubic root of 132301561 is about 509.5517797140.

Adding to 132301561 its reverse (165103231), we get a palindrome (297404792).

The spelling of 132301561 in words is "one hundred thirty-two million, three hundred one thousand, five hundred sixty-one".

Divisors: 1 7 18900223 132301561