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132230321 = 521253801
BaseRepresentation
bin1111110000110…
…10110010110001
3100012210222220022
413320122302301
5232322332241
621042053225
73163640066
oct770326261
9305728808
10132230321
1168705663
123834a215
13215199c2
14137c0c6d
15b91e54b
hex7e1acb1

132230321 has 4 divisors (see below), whose sum is σ = 132484644. Its totient is φ = 131976000.

The previous prime is 132230309. The next prime is 132230323. The reversal of 132230321 is 123032231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123032231 = 717576033.

It can be written as a sum of positive squares in 2 ways, for example, as 59367025 + 72863296 = 7705^2 + 8536^2 .

It is a cyclic number.

It is not a de Polignac number, because 132230321 - 210 = 132229297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 132230321.

It is not an unprimeable number, because it can be changed into a prime (132230323) 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, 126380 + ... + 127421.

It is an arithmetic number, because the mean of its divisors is an integer number (33121161).

Almost surely, 2132230321 is an apocalyptic number.

It is an amenable number.

132230321 is a deficient number, since it is larger than the sum of its proper divisors (254323).

132230321 is an equidigital number, since it uses as much as digits as its factorization.

132230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254322.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 132230321 is about 11499.1443594730. The cubic root of 132230321 is about 509.4603043855.

Adding to 132230321 its reverse (123032231), we get a palindrome (255262552).

The spelling of 132230321 in words is "one hundred thirty-two million, two hundred thirty thousand, three hundred twenty-one".

Divisors: 1 521 253801 132230321