Base | Representation |
---|---|
bin | 1000011110001… |
… | …10110100111100 |
3 | 11221201200022202 |
4 | 10033012310330 |
5 | 121143201423 |
6 | 11015131032 |
7 | 1522035134 |
oct | 417066474 |
9 | 157650282 |
10 | 71068988 |
11 | 37131201 |
12 | 1b973a78 |
13 | 11954273 |
14 | 961dac4 |
15 | 638c728 |
hex | 43c6d3c |
71068988 has 24 divisors (see below), whose sum is σ = 133969920. Its totient is φ = 32891760.
The previous prime is 71068967. The next prime is 71068997. The reversal of 71068988 is 88986017.
It is a congruent number.
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, 9608 + ... + 15311.
It is an arithmetic number, because the mean of its divisors is an integer number (5582080).
Almost surely, 271068988 is an apocalyptic number.
It is an amenable number.
71068988 is a deficient number, since it is larger than the sum of its proper divisors (62900932).
71068988 is a wasteful number, since it uses less digits than its factorization.
71068988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24977 (or 24975 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 47.
The square root of 71068988 is about 8430.2424638915. The cubic root of 71068988 is about 414.2158473653.
The spelling of 71068988 in words is "seventy-one million, sixty-eight thousand, nine hundred eighty-eight".
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