Base | Representation |
---|---|
bin | 1000010110001… |
… | …01110011110111 |
3 | 11212202012020100 |
4 | 10023011303313 |
5 | 120411004442 |
6 | 10540405143 |
7 | 1510062000 |
oct | 413056367 |
9 | 155665210 |
10 | 70016247 |
11 | 36582274 |
12 | 1b5467b3 |
13 | 11676042 |
14 | 94281a7 |
15 | 623084c |
hex | 42c5cf7 |
70016247 has 48 divisors (see below), whose sum is σ = 121326400. Its totient is φ = 38864448.
The previous prime is 70016239. The next prime is 70016257. The reversal of 70016247 is 74261007.
It is not a de Polignac number, because 70016247 - 23 = 70016239 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 70016247.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70016257) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113913 + ... + 114525.
Almost surely, 270016247 is an apocalyptic number.
70016247 is a deficient number, since it is larger than the sum of its proper divisors (51310153).
70016247 is a wasteful number, since it uses less digits than its factorization.
70016247 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 677 (or 660 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 70016247 is about 8367.5711529691. The cubic root of 70016247 is about 412.1604125249.
The spelling of 70016247 in words is "seventy million, sixteen thousand, two hundred forty-seven".
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