Base | Representation |
---|---|
bin | 1001100011011… |
… | …11110101110000 |
3 | 12120211000221210 |
4 | 10301233311300 |
5 | 131004243442 |
6 | 11541520120 |
7 | 1662156045 |
oct | 461576560 |
9 | 176730853 |
10 | 80149872 |
11 | 41273870 |
12 | 22a13040 |
13 | 137b367a |
14 | a9051cc |
15 | 708319c |
hex | 4c6fd70 |
80149872 has 40 divisors (see below), whose sum is σ = 225878400. Its totient is φ = 24287680.
The previous prime is 80149859. The next prime is 80149891. The reversal of 80149872 is 27894108.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 80149872.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75372 + ... + 76427.
It is an arithmetic number, because the mean of its divisors is an integer number (5646960).
Almost surely, 280149872 is an apocalyptic number.
It is an amenable number.
80149872 is an abundant number, since it is smaller than the sum of its proper divisors (145728528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80149872 is a wasteful number, since it uses less digits than its factorization.
80149872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151821 (or 151815 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 39.
The square root of 80149872 is about 8952.6460892856. The cubic root of 80149872 is about 431.1558446829.
The spelling of 80149872 in words is "eighty million, one hundred forty-nine thousand, eight hundred seventy-two".
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