Search a number
-
+
132400441 = 971364953
BaseRepresentation
bin1111110010001…
…00010100111001
3100020010122021001
413321010110321
5232343303231
621045445001
73165246055
oct771042471
9306118231
10132400441
1168811458
1238410761
1321579274
1413826c65
15b954b61
hex7e44539

132400441 has 4 divisors (see below), whose sum is σ = 133765492. Its totient is φ = 131035392.

The previous prime is 132400427. The next prime is 132400451. The reversal of 132400441 is 144004231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144004231 = 720572033.

It can be written as a sum of positive squares in 2 ways, for example, as 108243216 + 24157225 = 10404^2 + 4915^2 .

It is a cyclic number.

It is not a de Polignac number, because 132400441 - 29 = 132399929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132400451) 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, 682380 + ... + 682573.

It is an arithmetic number, because the mean of its divisors is an integer number (33441373).

Almost surely, 2132400441 is an apocalyptic number.

It is an amenable number.

132400441 is a deficient number, since it is larger than the sum of its proper divisors (1365051).

132400441 is an equidigital number, since it uses as much as digits as its factorization.

132400441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365050.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 132400441 is about 11506.5390539467. The cubic root of 132400441 is about 509.6786916281.

Adding to 132400441 its reverse (144004231), we get a palindrome (276404672).

The spelling of 132400441 in words is "one hundred thirty-two million, four hundred thousand, four hundred forty-one".

Divisors: 1 97 1364953 132400441