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80865230 = 258086523
BaseRepresentation
bin1001101000111…
…10011111001110
312122011101020112
410310132133032
5131200141410
612005120022
72001225455
oct464363716
9178141215
1080865230
1141712276
12230b9012
13139a4164
14aa4db9c
157175105
hex4d1e7ce

80865230 has 8 divisors (see below), whose sum is σ = 145557432. Its totient is φ = 32346088.

The previous prime is 80865229. The next prime is 80865251. The reversal of 80865230 is 3256808.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4043252 + ... + 4043271.

It is an arithmetic number, because the mean of its divisors is an integer number (18194679).

Almost surely, 280865230 is an apocalyptic number.

80865230 is a deficient number, since it is larger than the sum of its proper divisors (64692202).

80865230 is a wasteful number, since it uses less digits than its factorization.

80865230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086530.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 80865230 is about 8992.5096608233. The cubic root of 80865230 is about 432.4347724814.

The spelling of 80865230 in words is "eighty million, eight hundred sixty-five thousand, two hundred thirty".

Divisors: 1 2 5 10 8086523 16173046 40432615 80865230