Base | Representation |
---|---|
bin | 1000010110101… |
… | …10011110100000 |
3 | 11212212122212200 |
4 | 10023112132200 |
5 | 120420201022 |
6 | 10542053200 |
7 | 1510465011 |
oct | 413263640 |
9 | 155778780 |
10 | 70084512 |
11 | 36619593 |
12 | 1b57a200 |
13 | 1169b134 |
14 | 9445008 |
15 | 6245bac |
hex | 42d67a0 |
70084512 has 72 divisors (see below), whose sum is σ = 204720516. Its totient is φ = 22726656.
The previous prime is 70084501. The next prime is 70084541. The reversal of 70084512 is 21548007.
70084512 is a `hidden beast` number, since 70 + 0 + 84 + 512 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 49617936 + 20466576 = 7044^2 + 4524^2 .
It is a tau number, because it is divible by the number of its divisors (72).
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, 7368 + ... + 13944.
Almost surely, 270084512 is an apocalyptic number.
70084512 is a gapful number since it is divisible by the number (72) 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 70084512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102360258).
70084512 is an abundant number, since it is smaller than the sum of its proper divisors (134636004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70084512 is a wasteful number, since it uses less digits than its factorization.
70084512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6630 (or 6619 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 70084512 is about 8371.6492998692. The cubic root of 70084512 is about 412.2943194993.
The spelling of 70084512 in words is "seventy million, eighty-four thousand, five hundred twelve".
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