Base | Representation |
---|---|
bin | 1000000111010… |
… | …11110101111000 |
3 | 11202002120011120 |
4 | 10003223311320 |
5 | 114411343442 |
6 | 10431025240 |
7 | 1454425005 |
oct | 403536570 |
9 | 152076146 |
10 | 68074872 |
11 | 35476728 |
12 | 1a96b220 |
13 | 111464b8 |
14 | 90808ac |
15 | 5e9a4ec |
hex | 40ebd78 |
68074872 has 32 divisors (see below), whose sum is σ = 179145600. Its totient is φ = 21497184.
The previous prime is 68074859. The next prime is 68074873. The reversal of 68074872 is 27847086.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68074873) 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, 74188 + ... + 75099.
It is an arithmetic number, because the mean of its divisors is an integer number (5598300).
Almost surely, 268074872 is an apocalyptic number.
It is an amenable number.
68074872 is an abundant number, since it is smaller than the sum of its proper divisors (111070728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68074872 is a wasteful number, since it uses less digits than its factorization.
68074872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149315 (or 149311 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 42.
The square root of 68074872 is about 8250.7497841105. The cubic root of 68074872 is about 408.3152599895.
The spelling of 68074872 in words is "sixty-eight million, seventy-four thousand, eight hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •