Base | Representation |
---|---|
bin | 1000011001111… |
… | …01110110100000 |
3 | 11220200011201001 |
4 | 10030331312200 |
5 | 121022223221 |
6 | 10555121344 |
7 | 1514210332 |
oct | 414756640 |
9 | 156604631 |
10 | 70507936 |
11 | 36888724 |
12 | 1b743254 |
13 | 117b8a95 |
14 | 9515452 |
15 | 62cb391 |
hex | 433dda0 |
70507936 has 48 divisors (see below), whose sum is σ = 147873600. Its totient is φ = 32997888.
The previous prime is 70507909. The next prime is 70507937. The reversal of 70507936 is 63970507.
It is a junction number, because it is equal to n+sod(n) for n = 70507895 and 70507904.
It is not an unprimeable number, because it can be changed into a prime (70507937) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53461 + ... + 54763.
It is an arithmetic number, because the mean of its divisors is an integer number (3080700).
Almost surely, 270507936 is an apocalyptic number.
70507936 is a gapful number since it is divisible by the number (76) 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 70507936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73936800).
70507936 is an abundant number, since it is smaller than the sum of its proper divisors (77365664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70507936 is a wasteful number, since it uses less digits than its factorization.
70507936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1421 (or 1413 counting only the distinct ones).
The product of its (nonzero) digits is 39690, while the sum is 37.
The square root of 70507936 is about 8396.9003804976. The cubic root of 70507936 is about 413.1229615093.
The spelling of 70507936 in words is "seventy million, five hundred seven thousand, nine hundred thirty-six".
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