Base | Representation |
---|---|
bin | 1000010001010… |
… | …10011110011000 |
3 | 11211112212110100 |
4 | 10020222132120 |
5 | 120230124432 |
6 | 10515015400 |
7 | 1501502013 |
oct | 410523630 |
9 | 154485410 |
10 | 69379992 |
11 | 36188240 |
12 | 1b29a560 |
13 | 114b2566 |
14 | 930037a |
15 | 615707c |
hex | 422a798 |
69379992 has 96 divisors (see below), whose sum is σ = 217086480. Its totient is φ = 19783680.
The previous prime is 69379991. The next prime is 69380011. The reversal of 69379992 is 29997396.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69379991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10888 + ... + 16040.
Almost surely, 269379992 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69379992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108543240).
69379992 is an abundant number, since it is smaller than the sum of its proper divisors (147706488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69379992 is a wasteful number, since it uses less digits than its factorization.
69379992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5193 (or 5186 counting only the distinct ones).
The product of its digits is 1653372, while the sum is 54.
The square root of 69379992 is about 8329.4652889606. The cubic root of 69379992 is about 410.9081436435.
The spelling of 69379992 in words is "sixty-nine million, three hundred seventy-nine thousand, nine hundred ninety-two".
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