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80803056 = 2431683397
BaseRepresentation
bin1001101000011…
…11010011110000
312122001012221210
410310033103300
5131141144211
612003520120
72000546265
oct464172360
9178035853
1080803056
114167a594
1223089040
1313981a79
14aa3526c
1571619a6
hex4d0f4f0

80803056 has 20 divisors (see below), whose sum is σ = 208741352. Its totient is φ = 26934336.

The previous prime is 80803031. The next prime is 80803069. The reversal of 80803056 is 65030808.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 841651 + ... + 841746.

Almost surely, 280803056 is an apocalyptic number.

It is an amenable number.

80803056 is an abundant number, since it is smaller than the sum of its proper divisors (127938296).

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

80803056 is a wasteful number, since it uses less digits than its factorization.

80803056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683408 (or 1683402 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 80803056 is about 8989.0520078593. The cubic root of 80803056 is about 432.3239168719.

The spelling of 80803056 in words is "eighty million, eight hundred three thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 1683397 3366794 5050191 6733588 10100382 13467176 20200764 26934352 40401528 80803056