Base | Representation |
---|---|
bin | 1000100100110… |
… | …10110100111110 |
3 | 12000100210111000 |
4 | 10102122310332 |
5 | 121403443332 |
6 | 11045511130 |
7 | 1532312601 |
oct | 422326476 |
9 | 160323430 |
10 | 71937342 |
11 | 37674654 |
12 | 201124a6 |
13 | 11b99599 |
14 | 97a8338 |
15 | 64aeb7c |
hex | 449ad3e |
71937342 has 64 divisors (see below), whose sum is σ = 167961600. Its totient is φ = 22790880.
The previous prime is 71937331. The next prime is 71937367. The reversal of 71937342 is 24373917.
It is a junction number, because it is equal to n+sod(n) for n = 71937297 and 71937306.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110863 + ... + 111509.
It is an arithmetic number, because the mean of its divisors is an integer number (2624400).
Almost surely, 271937342 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 71937342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83980800).
71937342 is an abundant number, since it is smaller than the sum of its proper divisors (96024258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71937342 is a wasteful number, since it uses less digits than its factorization.
71937342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 758 (or 752 counting only the distinct ones).
The product of its digits is 31752, while the sum is 36.
The square root of 71937342 is about 8481.5884125558. The cubic root of 71937342 is about 415.8960500565.
It can be divided in two parts, 7193 and 7342, that added together give a triangular number (14535 = T170).
The spelling of 71937342 in words is "seventy-one million, nine hundred thirty-seven thousand, three hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •