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80325283 = 269298607
BaseRepresentation
bin1001100100110…
…10101010100011
312121010221120111
410302122222203
5131030402113
611545352151
71663516333
oct462325243
9177127514
1080325283
1141383635
1222a98657
131384546c
14a94d0c3
1570ba13d
hex4c9aaa3

80325283 has 4 divisors (see below), whose sum is σ = 80624160. Its totient is φ = 80026408.

The previous prime is 80325281. The next prime is 80325317. The reversal of 80325283 is 38252308.

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

It is a cyclic number.

It is not a de Polignac number, because 80325283 - 21 = 80325281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80325281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149035 + ... + 149572.

It is an arithmetic number, because the mean of its divisors is an integer number (20156040).

Almost surely, 280325283 is an apocalyptic number.

80325283 is a deficient number, since it is larger than the sum of its proper divisors (298877).

80325283 is a wasteful number, since it uses less digits than its factorization.

80325283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298876.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 80325283 is about 8962.4373359037. The cubic root of 80325283 is about 431.4701490825.

It can be divided in two parts, 80325 and 283, that added together give a palindrome (80608).

The spelling of 80325283 in words is "eighty million, three hundred twenty-five thousand, two hundred eighty-three".

Divisors: 1 269 298607 80325283