Base | Representation |
---|---|
bin | 1001100100010… |
… | …00001101011000 |
3 | 12121000002212200 |
4 | 10302020031120 |
5 | 131020442223 |
6 | 11544010200 |
7 | 1663053051 |
oct | 462101530 |
9 | 177002780 |
10 | 80249688 |
11 | 41331862 |
12 | 22a60960 |
13 | 13819c2c |
14 | a92d728 |
15 | 70a2a43 |
hex | 4c88358 |
80249688 has 48 divisors (see below), whose sum is σ = 218006880. Its totient is φ = 26668224.
The previous prime is 80249677. The next prime is 80249713. The reversal of 80249688 is 88694208.
It is a happy number.
80249688 is a `hidden beast` number, since 80 + 2 + 496 + 88 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24906 + ... + 27942.
It is an arithmetic number, because the mean of its divisors is an integer number (4541810).
Almost surely, 280249688 is an apocalyptic number.
It is an amenable number.
80249688 is an abundant number, since it is smaller than the sum of its proper divisors (137757192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80249688 is a wasteful number, since it uses less digits than its factorization.
80249688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3416 (or 3409 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 45.
The square root of 80249688 is about 8958.2190194257. The cubic root of 80249688 is about 431.3347528448.
The spelling of 80249688 in words is "eighty million, two hundred forty-nine thousand, six hundred eighty-eight".
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