Base | Representation |
---|---|
bin | 1001100101111… |
… | …10011000111100 |
3 | 12121102101022002 |
4 | 10302332120330 |
5 | 131100042422 |
6 | 11552441432 |
7 | 1664666054 |
oct | 462763074 |
9 | 177371262 |
10 | 80471612 |
11 | 41473571 |
12 | 22b49278 |
13 | 13896c50 |
14 | a98a564 |
15 | 70e8692 |
hex | 4cbe63c |
80471612 has 48 divisors (see below), whose sum is σ = 161817600. Its totient is φ = 34706880.
The previous prime is 80471609. The next prime is 80471617. The reversal of 80471612 is 21617408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80471617) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77537 + ... + 78567.
It is an arithmetic number, because the mean of its divisors is an integer number (3371200).
Almost surely, 280471612 is an apocalyptic number.
It is an amenable number.
80471612 is an abundant number, since it is smaller than the sum of its proper divisors (81345988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80471612 is a wasteful number, since it uses less digits than its factorization.
80471612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1146 (or 1144 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 80471612 is about 8970.5970815771. The cubic root of 80471612 is about 431.7319939757.
The spelling of 80471612 in words is "eighty million, four hundred seventy-one thousand, six hundred twelve".
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