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132212323 = 331399433
BaseRepresentation
bin1111110000101…
…10011001100011
3100012210002012201
413320112121203
5232321243243
621041434031
73163533445
oct770263143
9305702181
10132212323
11686a3091
123833b917
1321511759
14137b8495
15b91904d
hex7e16663

132212323 has 4 divisors (see below), whose sum is σ = 132612088. Its totient is φ = 131812560.

The previous prime is 132212299. The next prime is 132212329. The reversal of 132212323 is 323212231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323212231 = 3110426201.

It is a cyclic number.

It is not a de Polignac number, because 132212323 - 29 = 132211811 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 132212323.

It is not an unprimeable number, because it can be changed into a prime (132212329) 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, 199386 + ... + 200047.

It is an arithmetic number, because the mean of its divisors is an integer number (33153022).

Almost surely, 2132212323 is an apocalyptic number.

132212323 is a deficient number, since it is larger than the sum of its proper divisors (399765).

132212323 is an equidigital number, since it uses as much as digits as its factorization.

132212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399764.

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

The square root of 132212323 is about 11498.3617528759. The cubic root of 132212323 is about 509.4371889545.

Adding to 132212323 its reverse (323212231), we get a palindrome (455424554).

The spelling of 132212323 in words is "one hundred thirty-two million, two hundred twelve thousand, three hundred twenty-three".

Divisors: 1 331 399433 132212323