Base | Representation |
---|---|
bin | 1000010110101… |
… | …11110111011000 |
3 | 11212212221200100 |
4 | 10023113313120 |
5 | 120420341300 |
6 | 10542135400 |
7 | 1510520415 |
oct | 413276730 |
9 | 155787610 |
10 | 70090200 |
11 | 36622894 |
12 | 1b581560 |
13 | 116a08bb |
14 | 944710c |
15 | 6247700 |
hex | 42d7dd8 |
70090200 has 144 divisors (see below), whose sum is σ = 245765520. Its totient is φ = 17867520.
The previous prime is 70090127. The next prime is 70090213. The reversal of 70090200 is 209007.
It is a super-2 number, since 2×700902002 = 9825272272080000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40554 + ... + 42246.
It is an arithmetic number, because the mean of its divisors is an integer number (1706705).
Almost surely, 270090200 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 70090200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122882760).
70090200 is an abundant number, since it is smaller than the sum of its proper divisors (175675320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70090200 is a wasteful number, since it uses less digits than its factorization.
70090200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1738 (or 1726 counting only the distinct ones).
The product of its (nonzero) digits is 126, while the sum is 18.
The square root of 70090200 is about 8371.9890109818. The cubic root of 70090200 is about 412.3054730176.
Adding to 70090200 its reverse (209007), we get a palindrome (70299207).
The spelling of 70090200 in words is "seventy million, ninety thousand, two hundred".
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