Base | Representation |
---|---|
bin | 1001011001101… |
… | …10111001101010 |
3 | 12111101220122210 |
4 | 10230312321222 |
5 | 130142234244 |
6 | 11454225550 |
7 | 1645240035 |
oct | 454667152 |
9 | 174356583 |
10 | 78868074 |
11 | 4057882a |
12 | 224b52b6 |
13 | 134550cc |
14 | a69001c |
15 | 6dcd4b9 |
hex | 4b36e6a |
78868074 has 8 divisors (see below), whose sum is σ = 157736160. Its totient is φ = 26289356.
The previous prime is 78868043. The next prime is 78868079. The reversal of 78868074 is 47086887.
It is a sphenic number, since it is the product of 3 distinct primes.
78868074 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (78868079) 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, 6572334 + ... + 6572345.
It is an arithmetic number, because the mean of its divisors is an integer number (19717020).
Almost surely, 278868074 is an apocalyptic number.
78868074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78868074 is a wasteful number, since it uses less digits than its factorization.
78868074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13144684.
The product of its (nonzero) digits is 602112, while the sum is 48.
The square root of 78868074 is about 8880.7698990572. The cubic root of 78868074 is about 428.8450600817.
The spelling of 78868074 in words is "seventy-eight million, eight hundred sixty-eight thousand, seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •