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80255871 = 3259151141
BaseRepresentation
bin1001100100010…
…01101101111111
312121000102100200
410302021231333
5131021141441
611544054543
71663110063
oct462115577
9177012320
1080255871
1141336473
1222a64453
131381c9a7
14a931aa3
1570a47b6
hex4c89b7f

80255871 has 12 divisors (see below), whose sum is σ = 117890760. Its totient is φ = 52596720.

The previous prime is 80255831. The next prime is 80255873. The reversal of 80255871 is 17855208.

It is not a de Polignac number, because 80255871 - 29 = 80255359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80255873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75040 + ... + 76101.

It is an arithmetic number, because the mean of its divisors is an integer number (9824230).

Almost surely, 280255871 is an apocalyptic number.

80255871 is a deficient number, since it is larger than the sum of its proper divisors (37634889).

80255871 is a wasteful number, since it uses less digits than its factorization.

80255871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151206 (or 151203 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 80255871 is about 8958.5641148568. The cubic root of 80255871 is about 431.3458302473.

The spelling of 80255871 in words is "eighty million, two hundred fifty-five thousand, eight hundred seventy-one".

Divisors: 1 3 9 59 177 531 151141 453423 1360269 8917319 26751957 80255871