Base | Representation |
---|---|
bin | 1000011110010… |
… | …00010001001100 |
3 | 11221201222102102 |
4 | 10033020101030 |
5 | 121143344032 |
6 | 11015214232 |
7 | 1522061300 |
oct | 417102114 |
9 | 157658372 |
10 | 71074892 |
11 | 37135689 |
12 | 1b977378 |
13 | 11956b65 |
14 | 9621d00 |
15 | 638e362 |
hex | 43c844c |
71074892 has 72 divisors (see below), whose sum is σ = 155648304. Its totient is φ = 28213248.
The previous prime is 71074889. The next prime is 71074901. The reversal of 71074892 is 29847017.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276428 + ... + 276684.
It is an arithmetic number, because the mean of its divisors is an integer number (2161782).
Almost surely, 271074892 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 71074892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77824152).
71074892 is an abundant number, since it is smaller than the sum of its proper divisors (84573412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71074892 is a wasteful number, since it uses less digits than its factorization.
71074892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 375 (or 366 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 38.
The square root of 71074892 is about 8430.5926244838. The cubic root of 71074892 is about 414.2273172657.
The spelling of 71074892 in words is "seventy-one million, seventy-four thousand, eight hundred ninety-two".
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