Base | Representation |
---|---|
bin | 1000100001001… |
… | …01110100001000 |
3 | 11222110110000200 |
4 | 10100211310020 |
5 | 121243124211 |
6 | 11031332200 |
7 | 1525245345 |
oct | 420456410 |
9 | 158413020 |
10 | 71458056 |
11 | 3737754a |
12 | 1bb21060 |
13 | 11a5c397 |
14 | 96c17cc |
15 | 6417b56 |
hex | 4425d08 |
71458056 has 48 divisors (see below), whose sum is σ = 201951360. Its totient is φ = 22783200.
The previous prime is 71458043. The next prime is 71458061. The reversal of 71458056 is 65085417.
71458056 is a `hidden beast` number, since 71 + 4 + 580 + 5 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 71458056.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19920 + ... + 23231.
It is an arithmetic number, because the mean of its divisors is an integer number (4207320).
Almost surely, 271458056 is an apocalyptic number.
It is an amenable number.
71458056 is an abundant number, since it is smaller than the sum of its proper divisors (130493304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71458056 is a wasteful number, since it uses less digits than its factorization.
71458056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43186 (or 43179 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 36.
The square root of 71458056 is about 8453.2866980838. The cubic root of 71458056 is about 414.9703486823.
The spelling of 71458056 in words is "seventy-one million, four hundred fifty-eight thousand, fifty-six".
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