Base | Representation |
---|---|
bin | 1000010110000… |
… | …11000101111101 |
3 | 11212201121222010 |
4 | 10023003011331 |
5 | 120410130432 |
6 | 10540241433 |
7 | 1510014360 |
oct | 413030575 |
9 | 155647863 |
10 | 70005117 |
11 | 36574976 |
12 | 1b540279 |
13 | 11670c60 |
14 | 94240d7 |
15 | 622c3cc |
hex | 42c317d |
70005117 has 32 divisors (see below), whose sum is σ = 115718400. Its totient is φ = 36656640.
The previous prime is 70005113. The next prime is 70005121. The reversal of 70005117 is 71150007.
It is an interprime number because it is at equal distance from previous prime (70005113) and next prime (70005121).
It is not a de Polignac number, because 70005117 - 22 = 70005113 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 70005093 and 70005102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70005113) 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 31 ways as a sum of consecutive naturals, for example, 39817 + ... + 41537.
It is an arithmetic number, because the mean of its divisors is an integer number (3616200).
Almost surely, 270005117 is an apocalyptic number.
It is an amenable number.
70005117 is a deficient number, since it is larger than the sum of its proper divisors (45713283).
70005117 is a wasteful number, since it uses less digits than its factorization.
70005117 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1893.
The product of its (nonzero) digits is 245, while the sum is 21.
The square root of 70005117 is about 8366.9060589922. The cubic root of 70005117 is about 412.1385719347.
The spelling of 70005117 in words is "seventy million, five thousand, one hundred seventeen".
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