Base | Representation |
---|---|
bin | 1000010110010… |
… | …01010110100111 |
3 | 11212202221010211 |
4 | 10023021112213 |
5 | 120411441014 |
6 | 10541000251 |
7 | 1510152211 |
oct | 413112647 |
9 | 155687124 |
10 | 70030759 |
11 | 36592167 |
12 | 1b553087 |
13 | 1167c826 |
14 | 942d5b1 |
15 | 6234cc4 |
hex | 42c95a7 |
70030759 has 4 divisors (see below), whose sum is σ = 70047720. Its totient is φ = 70013800.
The previous prime is 70030739. The next prime is 70030771. The reversal of 70030759 is 95703007.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 95703007 = 727 ⋅131641.
It is a cyclic number.
It is not a de Polignac number, because 70030759 - 211 = 70028711 is a prime.
It is a super-2 number, since 2×700307592 = 9808614412232162, which contains 22 as substring.
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 70030759.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70030739) 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 3 ways as a sum of consecutive naturals, for example, 2184 + ... + 12034.
It is an arithmetic number, because the mean of its divisors is an integer number (17511930).
Almost surely, 270030759 is an apocalyptic number.
70030759 is a deficient number, since it is larger than the sum of its proper divisors (16961).
70030759 is an equidigital number, since it uses as much as digits as its factorization.
70030759 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16960.
The product of its (nonzero) digits is 6615, while the sum is 31.
The square root of 70030759 is about 8368.4382652918. The cubic root of 70030759 is about 412.1888861958.
The spelling of 70030759 in words is "seventy million, thirty thousand, seven hundred fifty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •