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80223275 = 5211291721
BaseRepresentation
bin1001100100000…
…01110000101011
312120221202122102
410302001300223
5131014121100
611543244015
71662613046
oct462016053
9176852572
1080223275
1141313a30
1222a4960b
131380abc2
14a923c5d
157099cd5
hex4c81c2b

80223275 has 12 divisors (see below), whose sum is σ = 108520584. Its totient is φ = 58344000.

The previous prime is 80223229. The next prime is 80223307. The reversal of 80223275 is 57232208.

It is not a de Polignac number, because 80223275 - 216 = 80157739 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145586 + ... + 146135.

It is an arithmetic number, because the mean of its divisors is an integer number (9043382).

Almost surely, 280223275 is an apocalyptic number.

80223275 is a deficient number, since it is larger than the sum of its proper divisors (28297309).

80223275 is a wasteful number, since it uses less digits than its factorization.

80223275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291742 (or 291737 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 80223275 is about 8956.7446653346. The cubic root of 80223275 is about 431.2874251634.

The spelling of 80223275 in words is "eighty million, two hundred twenty-three thousand, two hundred seventy-five".

Divisors: 1 5 11 25 55 275 291721 1458605 3208931 7293025 16044655 80223275