Base | Representation |
---|---|
bin | 1000100000100… |
… | …00000000000000 |
3 | 11222021220110100 |
4 | 10100100000000 |
5 | 121232244304 |
6 | 11025402400 |
7 | 1524424011 |
oct | 420200000 |
9 | 158256410 |
10 | 71368704 |
11 | 37316400 |
12 | 1ba99400 |
13 | 11a2a804 |
14 | 969b008 |
15 | 63eb439 |
hex | 4410000 |
71368704 has 153 divisors (see below), whose sum is σ = 226621759. Its totient is φ = 21626880.
The previous prime is 71368657. The next prime is 71368711. The reversal of 71368704 is 40786317.
The square root of 71368704 is 8448.
It is a perfect power (a square), and thus also a powerful number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a Duffinian number.
It is a nialpdrome in base 16.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (3) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6488059 + ... + 6488069.
Almost surely, 271368704 is an apocalyptic number.
71368704 is the 8448-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 71368704
71368704 is an abundant number, since it is smaller than the sum of its proper divisors (155253055).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71368704 is an equidigital number, since it uses as much as digits as its factorization.
71368704 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60 (or 16 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The cubic root of 71368704 is about 414.7973152608.
Multiplying 71368704 by its sum of digits (36), we get a square (2569273344 = 506882).
71368704 divided by its sum of digits (36) gives a square (1982464 = 14082).
Multiplying 71368704 by its product of nonzero digits (28224), we get a square (2014310301696 = 14192642).
The spelling of 71368704 in words is "seventy-one million, three hundred sixty-eight thousand, seven hundred four".
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