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80840208 = 2431684171
BaseRepresentation
bin1001101000110…
…00011000010000
312122010002220210
410310120120100
5131143341313
612004404120
72001062511
oct464303020
9178102823
1080840208
11416a5499
12230a6640
1313995957
14aa44a08
15716c9c3
hex4d18610

80840208 has 20 divisors (see below), whose sum is σ = 208837328. Its totient is φ = 26946720.

The previous prime is 80840183. The next prime is 80840261. The reversal of 80840208 is 80204808.

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, 842038 + ... + 842133.

Almost surely, 280840208 is an apocalyptic number.

It is an amenable number.

80840208 is an abundant number, since it is smaller than the sum of its proper divisors (127997120).

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

80840208 is a wasteful number, since it uses less digits than its factorization.

80840208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684182 (or 1684176 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 80840208 is about 8991.1182841736. The cubic root of 80840208 is about 432.3901653446.

The spelling of 80840208 in words is "eighty million, eight hundred forty thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1684171 3368342 5052513 6736684 10105026 13473368 20210052 26946736 40420104 80840208