Base | Representation |
---|---|
bin | 1000010110101… |
… | …01011000000111 |
3 | 11212212102200211 |
4 | 10023111120013 |
5 | 120420030012 |
6 | 10542020251 |
7 | 1510445614 |
oct | 413253007 |
9 | 155772624 |
10 | 70080007 |
11 | 36616168 |
12 | 1b577687 |
13 | 1169907a |
14 | 944350b |
15 | 62446a7 |
hex | 42d5607 |
70080007 has 2 divisors, whose sum is σ = 70080008. Its totient is φ = 70080006.
The previous prime is 70079993. The next prime is 70080013. The reversal of 70080007 is 70008007.
It is a strong prime.
It is an emirp because it is prime and its reverse (70008007) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 70080007 - 27 = 70079879 is a prime.
It is a super-2 number, since 2×700800072 = 9822414762240098, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 70080007.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (70080097) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35040003 + 35040004.
It is an arithmetic number, because the mean of its divisors is an integer number (35040004).
Almost surely, 270080007 is an apocalyptic number.
70080007 is a deficient number, since it is larger than the sum of its proper divisors (1).
70080007 is an equidigital number, since it uses as much as digits as its factorization.
70080007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 392, while the sum is 22.
The square root of 70080007 is about 8371.3802326737. The cubic root of 70080007 is about 412.2854852807.
It can be divided in two parts, 7008000 and 7, that added together give a palindrome (7008007).
The spelling of 70080007 in words is "seventy million, eighty thousand, seven".
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