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80831706 = 2323585737
BaseRepresentation
bin1001101000101…
…10010011011010
312122002200020220
410310112103122
5131143103311
612004300510
72001025644
oct464262332
9178080226
1080831706
114169a06a
12230a1736
1313991b17
14aa41894
15716a206
hex4d164da

80831706 has 16 divisors (see below), whose sum is σ = 168692544. Its totient is φ = 25772384.

The previous prime is 80831693. The next prime is 80831741. The reversal of 80831706 is 60713808.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 292731 + ... + 293006.

It is an arithmetic number, because the mean of its divisors is an integer number (10543284).

Almost surely, 280831706 is an apocalyptic number.

80831706 is an abundant number, since it is smaller than the sum of its proper divisors (87860838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80831706 is a wasteful number, since it uses less digits than its factorization.

80831706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585765.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 80831706 is about 8990.6454718224. The cubic root of 80831706 is about 432.3750065923.

The spelling of 80831706 in words is "eighty million, eight hundred thirty-one thousand, seven hundred six".

Divisors: 1 2 3 6 23 46 69 138 585737 1171474 1757211 3514422 13471951 26943902 40415853 80831706