Base | Representation |
---|---|
bin | 1000001000111… |
… | …10110111001011 |
3 | 11202111011211112 |
4 | 10010132313023 |
5 | 114440040401 |
6 | 10435320535 |
7 | 1456255166 |
oct | 404366713 |
9 | 152434745 |
10 | 68283851 |
11 | 355a9739 |
12 | 1aa5014b |
13 | 111ba65c |
14 | 90d6add |
15 | 5edc3bb |
hex | 411edcb |
68283851 has 4 divisors (see below), whose sum is σ = 69106632. Its totient is φ = 67461072.
The previous prime is 68283847. The next prime is 68283863. The reversal of 68283851 is 15838286.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 68283851 - 22 = 68283847 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68283799 and 68283808.
It is not an unprimeable number, because it can be changed into a prime (68283821) 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, 411266 + ... + 411431.
It is an arithmetic number, because the mean of its divisors is an integer number (17276658).
Almost surely, 268283851 is an apocalyptic number.
68283851 is a deficient number, since it is larger than the sum of its proper divisors (822781).
68283851 is an equidigital number, since it uses as much as digits as its factorization.
68283851 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 822780.
The product of its digits is 92160, while the sum is 41.
The square root of 68283851 is about 8263.4043226748. The cubic root of 68283851 is about 408.7326540785.
The spelling of 68283851 in words is "sixty-eight million, two hundred eighty-three thousand, eight hundred fifty-one".
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