Base | Representation |
---|---|
bin | 1000011111110… |
… | …11110010011010 |
3 | 11222010200220001 |
4 | 10033323302122 |
5 | 121222122124 |
6 | 11023523214 |
7 | 1523630440 |
oct | 417736232 |
9 | 158120801 |
10 | 71285914 |
11 | 3726a187 |
12 | 1ba5950a |
13 | 119cbc1b |
14 | 9678b90 |
15 | 63d1b44 |
hex | 43fbc9a |
71285914 has 16 divisors (see below), whose sum is σ = 122383296. Its totient is φ = 30506400.
The previous prime is 71285909. The next prime is 71285927. The reversal of 71285914 is 41958217.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7309 + ... + 13999.
It is an arithmetic number, because the mean of its divisors is an integer number (7648956).
Almost surely, 271285914 is an apocalyptic number.
71285914 is a deficient number, since it is larger than the sum of its proper divisors (51097382).
71285914 is a wasteful number, since it uses less digits than its factorization.
71285914 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7461.
The product of its digits is 20160, while the sum is 37.
The square root of 71285914 is about 8443.0986018168. The cubic root of 71285914 is about 414.6368604429.
The spelling of 71285914 in words is "seventy-one million, two hundred eighty-five thousand, nine hundred fourteen".
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