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132020233 = 293450581
BaseRepresentation
bin1111101111001…
…11100000001001
3100012102022201021
413313213200021
5232244121413
621033352441
73162103432
oct767474011
9305368637
10132020233
1168581834
1238268721
13214751a7
1413768489
15b8cc18d
hex7de7809

132020233 has 4 divisors (see below), whose sum is σ = 132471108. Its totient is φ = 131569360.

The previous prime is 132020221. The next prime is 132020243. The reversal of 132020233 is 332020231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127870864 + 4149369 = 11308^2 + 2037^2 .

It is a cyclic number.

It is not a de Polignac number, because 132020233 - 217 = 131889161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132020243) 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, 224998 + ... + 225583.

It is an arithmetic number, because the mean of its divisors is an integer number (33117777).

Almost surely, 2132020233 is an apocalyptic number.

It is an amenable number.

132020233 is a deficient number, since it is larger than the sum of its proper divisors (450875).

132020233 is an equidigital number, since it uses as much as digits as its factorization.

132020233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450874.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 132020233 is about 11490.0057876400. The cubic root of 132020233 is about 509.1903505915.

Adding to 132020233 its reverse (332020231), we get a palindrome (464040464).

The spelling of 132020233 in words is "one hundred thirty-two million, twenty thousand, two hundred thirty-three".

Divisors: 1 293 450581 132020233