Base | Representation |
---|---|
bin | 1000011110000… |
… | …11101001000110 |
3 | 11221201000102120 |
4 | 10033003221012 |
5 | 121142242232 |
6 | 11014550410 |
7 | 1521652116 |
oct | 417035106 |
9 | 157630376 |
10 | 71055942 |
11 | 37122421 |
12 | 1b968406 |
13 | 1194b349 |
14 | 9619046 |
15 | 638892c |
hex | 43c3a46 |
71055942 has 16 divisors (see below), whose sum is σ = 144521280. Its totient is φ = 23283752.
The previous prime is 71055917. The next prime is 71055949. The reversal of 71055942 is 24955017.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71055949) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100008 + ... + 100715.
It is an arithmetic number, because the mean of its divisors is an integer number (9032580).
Almost surely, 271055942 is an apocalyptic number.
71055942 is an abundant number, since it is smaller than the sum of its proper divisors (73465338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71055942 is a wasteful number, since it uses less digits than its factorization.
71055942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200787.
The product of its (nonzero) digits is 12600, while the sum is 33.
The square root of 71055942 is about 8429.4686665293. The cubic root of 71055942 is about 414.1905002071.
The spelling of 71055942 in words is "seventy-one million, fifty-five thousand, nine hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •