Base | Representation |
---|---|
bin | 1000010101010… |
… | …00000011110000 |
3 | 11212112000001220 |
4 | 10022220003300 |
5 | 120343110014 |
6 | 10534025040 |
7 | 1506043500 |
oct | 412500360 |
9 | 155460056 |
10 | 69894384 |
11 | 364a975a |
12 | 1b4a8180 |
13 | 11632731 |
14 | 93d5a00 |
15 | 62096a9 |
hex | 42a80f0 |
69894384 has 60 divisors (see below), whose sum is σ = 210046824. Its totient is φ = 19969152.
The previous prime is 69894337. The next prime is 69894389. The reversal of 69894384 is 48349896.
It is a happy number.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69894389) 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, 12507 + ... + 17210.
Almost surely, 269894384 is an apocalyptic number.
It is an amenable number.
69894384 is an abundant number, since it is smaller than the sum of its proper divisors (140152440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69894384 is a wasteful number, since it uses less digits than its factorization.
69894384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29742 (or 29729 counting only the distinct ones).
The product of its digits is 1492992, while the sum is 51.
The square root of 69894384 is about 8360.2861195057. The cubic root of 69894384 is about 411.9211524735.
It can be divided in two parts, 69 and 894384, that added together give a triangular number (894453 = T1337).
The spelling of 69894384 in words is "sixty-nine million, eight hundred ninety-four thousand, three hundred eighty-four".
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