Base | Representation |
---|---|
bin | 1000011110011… |
… | …10111100110000 |
3 | 11221210100221220 |
4 | 10033032330300 |
5 | 121200233011 |
6 | 11015545040 |
7 | 1522234131 |
oct | 417167460 |
9 | 157710856 |
10 | 71102256 |
11 | 371541a5 |
12 | 1b98b180 |
13 | 11966454 |
14 | 962bc88 |
15 | 6397506 |
hex | 43cef30 |
71102256 has 80 divisors (see below), whose sum is σ = 197130240. Its totient is φ = 22014720.
The previous prime is 71102243. The next prime is 71102321. The reversal of 71102256 is 65220117.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47601 + ... + 49071.
It is an arithmetic number, because the mean of its divisors is an integer number (2464128).
Almost surely, 271102256 is an apocalyptic number.
71102256 is a gapful number since it is divisible by the number (76) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 71102256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98565120).
71102256 is an abundant number, since it is smaller than the sum of its proper divisors (126027984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71102256 is a wasteful number, since it uses less digits than its factorization.
71102256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1554 (or 1548 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 71102256 is about 8432.2153672686. The cubic root of 71102256 is about 414.2804699410.
The spelling of 71102256 in words is "seventy-one million, one hundred two thousand, two hundred fifty-six".
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