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BaseRepresentation
bin100000010100110001
320201121202
4200110301
513214101
62500545
71061003
oct402461
9221552
10132401
1190525
1264755
1348359
1436373
152936b
hex20531

132401 has 4 divisors (see below), whose sum is σ = 136704. Its totient is φ = 128100.

The previous prime is 132383. The next prime is 132403. The reversal of 132401 is 104231.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-132401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132403) 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, 2105 + ... + 2166.

It is an arithmetic number, because the mean of its divisors is an integer number (34176).

2132401 is an apocalyptic number.

It is an amenable number.

132401 is a deficient number, since it is larger than the sum of its proper divisors (4303).

132401 is an equidigital number, since it uses as much as digits as its factorization.

132401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 132401 is about 363.8694820949. The cubic root of 132401 is about 50.9679408922.

Adding to 132401 its reverse (104231), we get a palindrome (236632).

It can be divided in two parts, 13 and 2401, that multiplied together give a palindrome (31213).

The spelling of 132401 in words is "one hundred thirty-two thousand, four hundred one".

Divisors: 1 31 4271 132401