Base | Representation |
---|---|
bin | 1001100101110… |
… | …00101110101100 |
3 | 12121101012111102 |
4 | 10302320232230 |
5 | 131043322203 |
6 | 11552142232 |
7 | 1664541344 |
oct | 462705654 |
9 | 177335442 |
10 | 80448428 |
11 | 41458105 |
12 | 22b37978 |
13 | 13889528 |
14 | a981d24 |
15 | 70e1888 |
hex | 4cb8bac |
80448428 has 6 divisors (see below), whose sum is σ = 140784756. Its totient is φ = 40224212.
The previous prime is 80448427. The next prime is 80448439. The reversal of 80448428 is 82484408.
It is a junction number, because it is equal to n+sod(n) for n = 80448391 and 80448400.
It is not an unprimeable number, because it can be changed into a prime (80448427) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056050 + ... + 10056057.
It is an arithmetic number, because the mean of its divisors is an integer number (23464126).
Almost surely, 280448428 is an apocalyptic number.
It is an amenable number.
80448428 is a deficient number, since it is larger than the sum of its proper divisors (60336328).
80448428 is a wasteful number, since it uses less digits than its factorization.
80448428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20112111 (or 20112109 counting only the distinct ones).
The product of its (nonzero) digits is 65536, while the sum is 38.
The square root of 80448428 is about 8969.3047668144. The cubic root of 80448428 is about 431.6905291010.
The spelling of 80448428 in words is "eighty million, four hundred forty-eight thousand, four hundred twenty-eight".
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