Base | Representation |
---|---|
bin | 1001100100010… |
… | …11100100010101 |
3 | 12121000210202012 |
4 | 10302023210111 |
5 | 131021412240 |
6 | 11544154005 |
7 | 1663141133 |
oct | 462134425 |
9 | 177023665 |
10 | 80263445 |
11 | 41341129 |
12 | 22a68905 |
13 | 13823282 |
14 | a934753 |
15 | 70a6b65 |
hex | 4c8b915 |
80263445 has 32 divisors (see below), whose sum is σ = 106686720. Its totient is φ = 57756160.
The previous prime is 80263439. The next prime is 80263453. The reversal of 80263445 is 54436208.
It is not a de Polignac number, because 80263445 - 28 = 80263189 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136442 + ... + 137028.
It is an arithmetic number, because the mean of its divisors is an integer number (3333960).
Almost surely, 280263445 is an apocalyptic number.
It is an amenable number.
80263445 is a deficient number, since it is larger than the sum of its proper divisors (26423275).
80263445 is a wasteful number, since it uses less digits than its factorization.
80263445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 685.
The product of its (nonzero) digits is 23040, while the sum is 32.
The square root of 80263445 is about 8958.9868288775. The cubic root of 80263445 is about 431.3593989765.
It can be divided in two parts, 80263 and 445, that added together give a palindrome (80708).
The spelling of 80263445 in words is "eighty million, two hundred sixty-three thousand, four hundred forty-five".
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