Search a number
-
+
132798961 = 196989419
BaseRepresentation
bin1111110101001…
…01100111110001
3100020212212221001
413322211213301
5232444031321
621102202001
73201525661
oct772454761
9306785831
10132798961
1168a63909
1238583301
1321688789
14138cc1a1
15b9d2c91
hex7ea59f1

132798961 has 4 divisors (see below), whose sum is σ = 139788400. Its totient is φ = 125809524.

The previous prime is 132798949. The next prime is 132798971. The reversal of 132798961 is 169897231.

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: 169897231 = 724271033.

It is a cyclic number.

It is not a de Polignac number, because 132798961 - 25 = 132798929 is a prime.

It is a super-3 number, since 3×1327989613 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132798931) 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, 3494691 + ... + 3494728.

It is an arithmetic number, because the mean of its divisors is an integer number (34947100).

Almost surely, 2132798961 is an apocalyptic number.

It is an amenable number.

132798961 is a deficient number, since it is larger than the sum of its proper divisors (6989439).

132798961 is an equidigital number, since it uses as much as digits as its factorization.

132798961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6989438.

The product of its digits is 163296, while the sum is 46.

The square root of 132798961 is about 11523.8431523516. The cubic root of 132798961 is about 510.1895502004.

The spelling of 132798961 in words is "one hundred thirty-two million, seven hundred ninety-eight thousand, nine hundred sixty-one".

Divisors: 1 19 6989419 132798961