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132401233 = 253952147
BaseRepresentation
bin1111110010001…
…00100001010001
3100020010200100101
413321010201101
5232343314413
621045452401
73165251266
oct771044121
9306120311
10132401233
1168812008
1238411101
1321579733
141382726d
15b954edd
hex7e44851

132401233 has 4 divisors (see below), whose sum is σ = 132455920. Its totient is φ = 132346548.

The previous prime is 132401221. The next prime is 132401239. The reversal of 132401233 is 332104231.

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: 332104231 = 1719535543.

It is a cyclic number.

It is not a de Polignac number, because 132401233 - 221 = 130304081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132401233.

It is not an unprimeable number, because it can be changed into a prime (132401239) 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, 23535 + ... + 28612.

It is an arithmetic number, because the mean of its divisors is an integer number (33113980).

Almost surely, 2132401233 is an apocalyptic number.

It is an amenable number.

132401233 is a deficient number, since it is larger than the sum of its proper divisors (54687).

132401233 is an equidigital number, since it uses as much as digits as its factorization.

132401233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54686.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 132401233 is about 11506.5734691089. The cubic root of 132401233 is about 509.6797079004.

Adding to 132401233 its reverse (332104231), we get a palindrome (464505464).

The spelling of 132401233 in words is "one hundred thirty-two million, four hundred one thousand, two hundred thirty-three".

Divisors: 1 2539 52147 132401233