Base | Representation |
---|---|
bin | 1001100010011… |
… | …10100010110100 |
3 | 12120120002212200 |
4 | 10301032202310 |
5 | 130440412432 |
6 | 11534544500 |
7 | 1661050326 |
oct | 461164264 |
9 | 176502780 |
10 | 80013492 |
11 | 41190359 |
12 | 22968130 |
13 | 13766580 |
14 | a8ab616 |
15 | 7057a7c |
hex | 4c4e8b4 |
80013492 has 144 divisors (see below), whose sum is σ = 235282320. Its totient is φ = 22708224.
The previous prime is 80013487. The next prime is 80013533. The reversal of 80013492 is 29431008.
It can be written as a sum of positive squares in 8 ways, for example, as 21123216 + 58890276 = 4596^2 + 7674^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 708028 + ... + 708140.
It is an arithmetic number, because the mean of its divisors is an integer number (1633905).
Almost surely, 280013492 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80013492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117641160).
80013492 is an abundant number, since it is smaller than the sum of its proper divisors (155268828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80013492 is a wasteful number, since it uses less digits than its factorization.
80013492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242 (or 237 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 80013492 is about 8945.0261039306. The cubic root of 80013492 is about 430.9111596721.
The spelling of 80013492 in words is "eighty million, thirteen thousand, four hundred ninety-two".
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