Base | Representation |
---|---|
bin | 1000010101110… |
… | …01110010010100 |
3 | 11212122200200020 |
4 | 10022321302110 |
5 | 120402420441 |
6 | 10535345140 |
7 | 1506465261 |
oct | 412716224 |
9 | 155580606 |
10 | 69966996 |
11 | 36549270 |
12 | 1b5221b0 |
13 | 116597b8 |
14 | 9414268 |
15 | 6220e66 |
hex | 42b9c94 |
69966996 has 96 divisors (see below), whose sum is σ = 185286528. Its totient is φ = 20367360.
The previous prime is 69966959. The next prime is 69967013.
69966996 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510640 + ... + 510776.
It is an arithmetic number, because the mean of its divisors is an integer number (1930068).
Almost surely, 269966996 is an apocalyptic number.
69966996 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69966996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92643264).
69966996 is an abundant number, since it is smaller than the sum of its proper divisors (115319532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69966996 is a wasteful number, since it uses less digits than its factorization.
69966996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281 (or 279 counting only the distinct ones).
The product of its digits is 8503056, while the sum is 60.
The square root of 69966996 is about 8364.6276665492. The cubic root of 69966996 is about 412.0637488939.
The spelling of 69966996 in words is "sixty-nine million, nine hundred sixty-six thousand, nine hundred ninety-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •