Base | Representation |
---|---|
bin | 1000100111111… |
… | …01111110100100 |
3 | 12001010102120102 |
4 | 10103331332210 |
5 | 122004442320 |
6 | 11102323232 |
7 | 1535623610 |
oct | 423757644 |
9 | 161112512 |
10 | 72343460 |
11 | 37921792 |
12 | 20289518 |
13 | 11cac3a7 |
14 | 9872340 |
15 | 6540175 |
hex | 44fdfa4 |
72343460 has 96 divisors (see below), whose sum is σ = 182353920. Its totient is φ = 23587200.
The previous prime is 72343459. The next prime is 72343489. The reversal of 72343460 is 6434327.
It is a happy 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, 342755 + ... + 342965.
It is an arithmetic number, because the mean of its divisors is an integer number (1899520).
Almost surely, 272343460 is an apocalyptic number.
72343460 is a gapful number since it is divisible by the number (70) 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 72343460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91176960).
72343460 is an abundant number, since it is smaller than the sum of its proper divisors (110010460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72343460 is a wasteful number, since it uses less digits than its factorization.
72343460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 337 (or 335 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 29.
The square root of 72343460 is about 8505.4958703182. The cubic root of 72343460 is about 416.6772207104.
Adding to 72343460 its reverse (6434327), we get a palindrome (78777787).
The spelling of 72343460 in words is "seventy-two million, three hundred forty-three thousand, four hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •