Base | Representation |
---|---|
bin | 1001101001001… |
… | …01101100110111 |
3 | 12122012212202210 |
4 | 10310211230313 |
5 | 131202113100 |
6 | 12005504503 |
7 | 2001410553 |
oct | 464455467 |
9 | 178185683 |
10 | 80894775 |
11 | 41732495 |
12 | 23112133 |
13 | 139b4740 |
14 | aa5a863 |
15 | 717dc50 |
hex | 4d25b37 |
80894775 has 48 divisors (see below), whose sum is σ = 149052960. Its totient is φ = 38438400.
The previous prime is 80894771. The next prime is 80894813. The reversal of 80894775 is 57749808.
It is not a de Polignac number, because 80894775 - 22 = 80894771 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80894771) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26845 + ... + 29705.
It is an arithmetic number, because the mean of its divisors is an integer number (3105270).
Almost surely, 280894775 is an apocalyptic number.
80894775 is a deficient number, since it is larger than the sum of its proper divisors (68158185).
80894775 is a wasteful number, since it uses less digits than its factorization.
80894775 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2916 (or 2911 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 48.
The square root of 80894775 is about 8994.1522668899. The cubic root of 80894775 is about 432.4874310001.
The spelling of 80894775 in words is "eighty million, eight hundred ninety-four thousand, seven hundred seventy-five".
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