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80866313 = 1123573119
BaseRepresentation
bin1001101000111…
…10110000001001
312122011102201122
410310132300021
5131200210223
612005125025
72001231563
oct464366011
9178142648
1080866313
1141713070
12230b9775
13139a47b8
14aa50333
1571755c8
hex4d1ec09

80866313 has 8 divisors (see below), whose sum is σ = 88283520. Its totient is φ = 73460080.

The previous prime is 80866307. The next prime is 80866343. The reversal of 80866313 is 31366808.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80866313 - 26 = 80866249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80866343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24368 + ... + 27486.

It is an arithmetic number, because the mean of its divisors is an integer number (11035440).

Almost surely, 280866313 is an apocalyptic number.

It is an amenable number.

80866313 is a deficient number, since it is larger than the sum of its proper divisors (7417207).

80866313 is a wasteful number, since it uses less digits than its factorization.

80866313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5487.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 80866313 is about 8992.5698774043. The cubic root of 80866313 is about 432.4367029557.

The spelling of 80866313 in words is "eighty million, eight hundred sixty-six thousand, three hundred thirteen".

Divisors: 1 11 2357 3119 25927 34309 7351483 80866313