Base | Representation |
---|---|
bin | 1001100101111… |
… | …10011000111101 |
3 | 12121102101022010 |
4 | 10302332120331 |
5 | 131100042423 |
6 | 11552441433 |
7 | 1664666055 |
oct | 462763075 |
9 | 177371263 |
10 | 80471613 |
11 | 41473572 |
12 | 22b49279 |
13 | 13896c51 |
14 | a98a565 |
15 | 70e8693 |
hex | 4cbe63d |
80471613 has 8 divisors (see below), whose sum is σ = 108806976. Its totient is φ = 52892000.
The previous prime is 80471609. The next prime is 80471617. The reversal of 80471613 is 31617408.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (80471609) and next prime (80471617).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80471613 - 22 = 80471609 is a prime.
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 7 ways as a sum of consecutive naturals, for example, 188688 + ... + 189113.
It is an arithmetic number, because the mean of its divisors is an integer number (13600872).
Almost surely, 280471613 is an apocalyptic number.
It is an amenable number.
80471613 is a deficient number, since it is larger than the sum of its proper divisors (28335363).
80471613 is a wasteful number, since it uses less digits than its factorization.
80471613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 377875.
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 80471613 is about 8970.5971373148. The cubic root of 80471613 is about 431.7319957640.
The spelling of 80471613 in words is "eighty million, four hundred seventy-one thousand, six hundred thirteen".
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