Base | Representation |
---|---|
bin | 1000100000001… |
… | …10011110101000 |
3 | 11222012220221220 |
4 | 10100012132220 |
5 | 121230022304 |
6 | 11024502040 |
7 | 1524202215 |
oct | 420063650 |
9 | 158186856 |
10 | 71329704 |
11 | 3729a076 |
12 | 1ba7a920 |
13 | 11a15b34 |
14 | 968ab0c |
15 | 63dead9 |
hex | 44067a8 |
71329704 has 16 divisors (see below), whose sum is σ = 178324320. Its totient is φ = 23776560.
The previous prime is 71329703. The next prime is 71329711. The reversal of 71329704 is 40792317.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (71329703) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1486012 + ... + 1486059.
It is an arithmetic number, because the mean of its divisors is an integer number (11145270).
Almost surely, 271329704 is an apocalyptic number.
It is an amenable number.
71329704 is an abundant number, since it is smaller than the sum of its proper divisors (106994616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71329704 is a wasteful number, since it uses less digits than its factorization.
71329704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2972080 (or 2972076 counting only the distinct ones).
The product of its (nonzero) digits is 10584, while the sum is 33.
The square root of 71329704 is about 8445.6914459386. The cubic root of 71329704 is about 414.7217450552.
It can be divided in two parts, 7132 and 9704, that added together give a triangular number (16836 = T183).
The spelling of 71329704 in words is "seventy-one million, three hundred twenty-nine thousand, seven hundred four".
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