Base | Representation |
---|---|
bin | 1000011101010… |
… | …00001111111110 |
3 | 11221111022112000 |
4 | 10032220033332 |
5 | 121130144432 |
6 | 11012323130 |
7 | 1521004032 |
oct | 416501776 |
9 | 157438460 |
10 | 70943742 |
11 | 370560a1 |
12 | 1b9134a6 |
13 | 1190c25c |
14 | 95ca1c2 |
15 | 636557c |
hex | 43a83fe |
70943742 has 32 divisors (see below), whose sum is σ = 158368800. Its totient is φ = 23540544.
The previous prime is 70943731. The next prime is 70943749. The reversal of 70943742 is 24734907.
It is a junction number, because it is equal to n+sod(n) for n = 70943697 and 70943706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70943749) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9498 + ... + 15234.
It is an arithmetic number, because the mean of its divisors is an integer number (4949025).
Almost surely, 270943742 is an apocalyptic number.
70943742 is an abundant number, since it is smaller than the sum of its proper divisors (87425058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70943742 is a wasteful number, since it uses less digits than its factorization.
70943742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5977 (or 5971 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 36.
The square root of 70943742 is about 8422.8108134993. The cubic root of 70943742 is about 413.9723779092.
The spelling of 70943742 in words is "seventy million, nine hundred forty-three thousand, seven hundred forty-two".
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