Base | Representation |
---|---|
bin | 1000001001111… |
… | …11101101101110 |
3 | 11202202000102100 |
4 | 10010333231232 |
5 | 120003342124 |
6 | 10442235530 |
7 | 1460355411 |
oct | 404775556 |
9 | 152660370 |
10 | 68418414 |
11 | 35690849 |
12 | 1aab5ba6 |
13 | 1123698c |
14 | 912db78 |
15 | 60171c9 |
hex | 413fb6e |
68418414 has 24 divisors (see below), whose sum is σ = 148692960. Its totient is φ = 22736448.
The previous prime is 68418409. The next prime is 68418419. The reversal of 68418414 is 41481486.
It is an interprime number because it is at equal distance from previous prime (68418409) and next prime (68418419).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68418419) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 427 + ... + 11705.
It is an arithmetic number, because the mean of its divisors is an integer number (6195540).
Almost surely, 268418414 is an apocalyptic number.
68418414 is an abundant number, since it is smaller than the sum of its proper divisors (80274546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68418414 is a wasteful number, since it uses less digits than its factorization.
68418414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11624 (or 11621 counting only the distinct ones).
The product of its digits is 24576, while the sum is 36.
The square root of 68418414 is about 8271.5424196458. The cubic root of 68418414 is about 409.0009664354. Note that the first 3 decimals are identical.
The spelling of 68418414 in words is "sixty-eight million, four hundred eighteen thousand, four hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •