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80228 = 2231647
BaseRepresentation
bin10011100101100100
311002001102
4103211210
510031403
61415232
7452621
oct234544
9132042
1080228
1155305
123a518
132a695
1421348
1518b88
hex13964

80228 has 12 divisors (see below), whose sum is σ = 145152. Its totient is φ = 38760.

The previous prime is 80221. The next prime is 80231. The reversal of 80228 is 82208.

It is not an unprimeable number, because it can be changed into a prime (80221) 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, 200 + ... + 447.

It is an arithmetic number, because the mean of its divisors is an integer number (12096).

280228 is an apocalyptic number.

It is an amenable number.

80228 is a deficient number, since it is larger than the sum of its proper divisors (64924).

80228 is a wasteful number, since it uses less digits than its factorization.

80228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 80228 is about 283.2454765746. The cubic root of 80228 is about 43.1295892337.

Subtracting from 80228 its sum of digits (20), we obtain a palindrome (80208).

The spelling of 80228 in words is "eighty thousand, two hundred twenty-eight".

Divisors: 1 2 4 31 62 124 647 1294 2588 20057 40114 80228