Base | Representation |
---|---|
bin | 1001100011111… |
… | …10011111101110 |
3 | 12120221002022010 |
4 | 10301332133232 |
5 | 131013204102 |
6 | 11543102050 |
7 | 1662526053 |
oct | 461763756 |
9 | 176832263 |
10 | 80209902 |
11 | 41304983 |
12 | 22a41926 |
13 | 13804aa6 |
14 | a91d02a |
15 | 7095d6c |
hex | 4c7e7ee |
80209902 has 8 divisors (see below), whose sum is σ = 160419816. Its totient is φ = 26736632.
The previous prime is 80209897. The next prime is 80209919. The reversal of 80209902 is 20990208.
It is a sphenic number, since it is the product of 3 distinct primes.
80209902 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 80209902.
It is a congruent number.
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, 6684153 + ... + 6684164.
It is an arithmetic number, because the mean of its divisors is an integer number (20052477).
Almost surely, 280209902 is an apocalyptic number.
80209902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80209902 is a wasteful number, since it uses less digits than its factorization.
80209902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13368322.
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 80209902 is about 8955.9981018310. The cubic root of 80209902 is about 431.2634590212.
The spelling of 80209902 in words is "eighty million, two hundred nine thousand, nine hundred two".
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