Base | Representation |
---|---|
bin | 1000001001010… |
… | …10111110000101 |
3 | 11202120200212100 |
4 | 10010222332011 |
5 | 114443132240 |
6 | 10440342313 |
7 | 1456552605 |
oct | 404527605 |
9 | 152520770 |
10 | 68333445 |
11 | 35632a24 |
12 | 1aa74999 |
13 | 112070bb |
14 | 910ac05 |
15 | 5eebe30 |
hex | 412af85 |
68333445 has 12 divisors (see below), whose sum is σ = 118444716. Its totient is φ = 36444480.
The previous prime is 68333431. The next prime is 68333477. The reversal of 68333445 is 54433386.
It can be written as a sum of positive squares in 2 ways, for example, as 18122049 + 50211396 = 4257^2 + 7086^2 .
It is not a de Polignac number, because 68333445 - 28 = 68333189 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 759216 + ... + 759305.
It is an arithmetic number, because the mean of its divisors is an integer number (9870393).
Almost surely, 268333445 is an apocalyptic number.
It is an amenable number.
68333445 is a deficient number, since it is larger than the sum of its proper divisors (50111271).
68333445 is a wasteful number, since it uses less digits than its factorization.
68333445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1518532 (or 1518529 counting only the distinct ones).
The product of its digits is 103680, while the sum is 36.
The square root of 68333445 is about 8266.4045993406. The cubic root of 68333445 is about 408.8315831881.
The spelling of 68333445 in words is "sixty-eight million, three hundred thirty-three thousand, four hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •