Base | Representation |
---|---|
bin | 1000010100110… |
… | …10011110010110 |
3 | 11212102011202002 |
4 | 10022122132112 |
5 | 120334314432 |
6 | 10532515302 |
7 | 1505422331 |
oct | 412323626 |
9 | 155364662 |
10 | 69838742 |
11 | 36470976 |
12 | 1b47bb32 |
13 | 116132cc |
14 | 93bd618 |
15 | 61e7e62 |
hex | 429a796 |
69838742 has 8 divisors (see below), whose sum is σ = 105176232. Its totient is φ = 34780000.
The previous prime is 69838733. The next prime is 69838763. The reversal of 69838742 is 24783896.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69059 + ... + 70062.
It is an arithmetic number, because the mean of its divisors is an integer number (13147029).
Almost surely, 269838742 is an apocalyptic number.
69838742 is a deficient number, since it is larger than the sum of its proper divisors (35337490).
69838742 is a wasteful number, since it uses less digits than its factorization.
69838742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139374.
The product of its digits is 580608, while the sum is 47.
The square root of 69838742 is about 8356.9577000246. The cubic root of 69838742 is about 411.8118151167.
The spelling of 69838742 in words is "sixty-nine million, eight hundred thirty-eight thousand, seven hundred forty-two".
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