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80045331 = 326681777
BaseRepresentation
bin1001100010101…
…10010100010011
312120121201112220
410301112110103
5130442422311
611535352123
71661242212
oct461262423
9176551486
1080045331
1141202273
1222982643
1313777c02
14a8b9079
157062206
hex4c56513

80045331 has 4 divisors (see below), whose sum is σ = 106727112. Its totient is φ = 53363552.

The previous prime is 80045327. The next prime is 80045377. The reversal of 80045331 is 13354008.

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 80045331 - 22 = 80045327 is a prime.

It is a super-2 number, since 2×800453312 = 12814510029799122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80045311) 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, 13340886 + ... + 13340891.

It is an arithmetic number, because the mean of its divisors is an integer number (26681778).

Almost surely, 280045331 is an apocalyptic number.

80045331 is a deficient number, since it is larger than the sum of its proper divisors (26681781).

80045331 is a wasteful number, since it uses less digits than its factorization.

80045331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26681780.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 80045331 is about 8946.8056310618. The cubic root of 80045331 is about 430.9683082050.

Adding to 80045331 its reverse (13354008), we get a palindrome (93399339).

The spelling of 80045331 in words is "eighty million, forty-five thousand, three hundred thirty-one".

Divisors: 1 3 26681777 80045331