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80894283 = 3316071433
BaseRepresentation
bin1001101001001…
…01100101001011
312122012212002120
410310211211023
5131202104113
612005502323
72001406251
oct464454513
9178185076
1080894283
1141732088
12231119a3
13139b4452
14aa5a5d1
15717da23
hex4d2594b

80894283 has 16 divisors (see below), whose sum is σ = 111599616. Its totient is φ = 52067520.

The previous prime is 80894273. The next prime is 80894291. The reversal of 80894283 is 38249808.

It is a happy number.

It is not a de Polignac number, because 80894283 - 214 = 80877899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80894263) 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 15 ways as a sum of consecutive naturals, for example, 55735 + ... + 57167.

It is an arithmetic number, because the mean of its divisors is an integer number (6974976).

Almost surely, 280894283 is an apocalyptic number.

80894283 is a deficient number, since it is larger than the sum of its proper divisors (30705333).

80894283 is a wasteful number, since it uses less digits than its factorization.

80894283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 80894283 is about 8994.1249157436. The cubic root of 80894283 is about 432.4865542057.

The spelling of 80894283 in words is "eighty million, eight hundred ninety-four thousand, two hundred eighty-three".

Divisors: 1 3 31 93 607 1433 1821 4299 18817 44423 56451 133269 869831 2609493 26964761 80894283