Base | Representation |
---|---|
bin | 1000001101001… |
… | …01111101100000 |
3 | 11210112021220112 |
4 | 10012211331200 |
5 | 120110242331 |
6 | 10455230452 |
7 | 1464051410 |
oct | 406457540 |
9 | 153467815 |
10 | 68837216 |
11 | 35947468 |
12 | 1b078428 |
13 | 113524a6 |
14 | 91dc640 |
15 | 609b32b |
hex | 41a5f60 |
68837216 has 48 divisors (see below), whose sum is σ = 164003616. Its totient is φ = 27764736.
The previous prime is 68837191. The next prime is 68837221. The reversal of 68837216 is 61273886.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5231 + ... + 12846.
It is an arithmetic number, because the mean of its divisors is an integer number (3416742).
Almost surely, 268837216 is an apocalyptic number.
It is an amenable number.
68837216 is an abundant number, since it is smaller than the sum of its proper divisors (95166400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68837216 is a wasteful number, since it uses less digits than its factorization.
68837216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18111 (or 18103 counting only the distinct ones).
The product of its digits is 96768, while the sum is 41.
The square root of 68837216 is about 8296.8196316420. The cubic root of 68837216 is about 409.8337934291.
The spelling of 68837216 in words is "sixty-eight million, eight hundred thirty-seven thousand, two hundred sixteen".
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