Base | Representation |
---|---|
bin | 1001100011000… |
… | …00110011000001 |
3 | 12120200220102202 |
4 | 10301200303001 |
5 | 131000311012 |
6 | 11540322545 |
7 | 1661511314 |
oct | 461406301 |
9 | 176626382 |
10 | 80088257 |
11 | 41231547 |
12 | 229a3455 |
13 | 13791602 |
14 | a8ca97b |
15 | 706ecc2 |
hex | 4c60cc1 |
80088257 has 4 divisors (see below), whose sum is σ = 80579760. Its totient is φ = 79596756.
The previous prime is 80088223. The next prime is 80088263. The reversal of 80088257 is 75288008.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 80088257 - 218 = 79826113 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80088257.
It is not an unprimeable number, because it can be changed into a prime (80088157) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245507 + ... + 245832.
It is an arithmetic number, because the mean of its divisors is an integer number (20144940).
Almost surely, 280088257 is an apocalyptic number.
It is an amenable number.
80088257 is a deficient number, since it is larger than the sum of its proper divisors (491503).
80088257 is a wasteful number, since it uses less digits than its factorization.
80088257 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 491502.
The product of its (nonzero) digits is 35840, while the sum is 38.
The square root of 80088257 is about 8949.2042663021. The cubic root of 80088257 is about 431.0453330582.
The spelling of 80088257 in words is "eighty million, eighty-eight thousand, two hundred fifty-seven".
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