Base | Representation |
---|---|
bin | 1000011100101… |
… | …00010011011000 |
3 | 11221100011110000 |
4 | 10032110103120 |
5 | 121120041130 |
6 | 11010453000 |
7 | 1520213604 |
oct | 416242330 |
9 | 157304400 |
10 | 70862040 |
11 | 36aaa777 |
12 | 1b894160 |
13 | 118b1002 |
14 | 95a8504 |
15 | 634b260 |
hex | 43944d8 |
70862040 has 80 divisors (see below), whose sum is σ = 238186080. Its totient is φ = 18895680.
The previous prime is 70862027. The next prime is 70862059. The reversal of 70862040 is 4026807.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a zygodrome in base 3.
It is a junction number, because it is equal to n+sod(n) for n = 70861995 and 70862013.
It is a congruent number.
It is an unprimeable number.
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 19 ways as a sum of consecutive naturals, for example, 7696 + ... + 14175.
It is an arithmetic number, because the mean of its divisors is an integer number (2977326).
Almost surely, 270862040 is an apocalyptic number.
It is an amenable number.
70862040 is an abundant number, since it is smaller than the sum of its proper divisors (167324040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70862040 is a wasteful number, since it uses less digits than its factorization.
70862040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21894 (or 21881 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 70862040 is about 8417.9593726746. The cubic root of 70862040 is about 413.8134004699.
Adding to 70862040 its reverse (4026807), we get a palindrome (74888847).
The spelling of 70862040 in words is "seventy million, eight hundred sixty-two thousand, forty".
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