Base | Representation |
---|---|
bin | 1000010110000… |
… | …01111101111011 |
3 | 11212201101122101 |
4 | 10023001331323 |
5 | 120410004012 |
6 | 10540204231 |
7 | 1506665053 |
oct | 413017573 |
9 | 155641571 |
10 | 70000507 |
11 | 36571465 |
12 | 1b539677 |
13 | 1166bb25 |
14 | 9422563 |
15 | 622ad57 |
hex | 42c1f7b |
70000507 has 4 divisors (see below), whose sum is σ = 70152160. Its totient is φ = 69848856.
The previous prime is 70000493. The next prime is 70000549. The reversal of 70000507 is 70500007.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 70000507 - 27 = 70000379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70001507) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75132 + ... + 76057.
It is an arithmetic number, because the mean of its divisors is an integer number (17538040).
Almost surely, 270000507 is an apocalyptic number.
70000507 is a deficient number, since it is larger than the sum of its proper divisors (151653).
70000507 is a wasteful number, since it uses less digits than its factorization.
70000507 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151652.
The product of its (nonzero) digits is 245, while the sum is 19.
The square root of 70000507 is about 8366.6305643311. The cubic root of 70000507 is about 412.1295249745.
Subtracting 70000507 from its reverse (70500007), we obtain a triangular number (499500 = T999).
It can be divided in two parts, 70000 and 507, that added together give a palindrome (70507).
The spelling of 70000507 in words is "seventy million, five hundred seven", and thus it is an aban number.
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