Base | Representation |
---|---|
bin | 1000100000000… |
… | …10111001101000 |
3 | 11222012011212002 |
4 | 10100002321220 |
5 | 121224040143 |
6 | 11024310132 |
7 | 1524111410 |
oct | 420027150 |
9 | 158164762 |
10 | 71315048 |
11 | 3728a062 |
12 | 1ba72348 |
13 | 11a0c26c |
14 | 9685640 |
15 | 63da5b8 |
hex | 4402e68 |
71315048 has 16 divisors (see below), whose sum is σ = 152818080. Its totient is φ = 30563568.
The previous prime is 71315029. The next prime is 71315053. The reversal of 71315048 is 84051317.
It is a self number, because there is not a number n which added to its sum of digits gives 71315048.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636686 + ... + 636797.
It is an arithmetic number, because the mean of its divisors is an integer number (9551130).
Almost surely, 271315048 is an apocalyptic number.
It is an amenable number.
71315048 is an abundant number, since it is smaller than the sum of its proper divisors (81503032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71315048 is a wasteful number, since it uses less digits than its factorization.
71315048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1273496 (or 1273492 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 29.
The square root of 71315048 is about 8444.8237400197. The cubic root of 71315048 is about 414.6933390388.
The spelling of 71315048 in words is "seventy-one million, three hundred fifteen thousand, forty-eight".
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