Base | Representation |
---|---|
bin | 1000010110101… |
… | …00001000001101 |
3 | 11212212011200102 |
4 | 10023110020031 |
5 | 120414344033 |
6 | 10541540445 |
7 | 1510424660 |
oct | 413241015 |
9 | 155764612 |
10 | 70074893 |
11 | 36612339 |
12 | 1b574725 |
13 | 11696945 |
14 | 94416d7 |
15 | 6242de8 |
hex | 42d420d |
70074893 has 4 divisors (see below), whose sum is σ = 80085600. Its totient is φ = 60064188.
The previous prime is 70074887. The next prime is 70074923. The reversal of 70074893 is 39847007.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 70074893 - 24 = 70074877 is a prime.
It is a super-2 number, since 2×700748932 = 9820981257922898, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70074853) 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, 5005343 + ... + 5005356.
It is an arithmetic number, because the mean of its divisors is an integer number (20021400).
Almost surely, 270074893 is an apocalyptic number.
It is an amenable number.
70074893 is a deficient number, since it is larger than the sum of its proper divisors (10010707).
70074893 is a wasteful number, since it uses less digits than its factorization.
70074893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10010706.
The product of its (nonzero) digits is 42336, while the sum is 38.
The square root of 70074893 is about 8371.0747816514. The cubic root of 70074893 is about 412.2754563659.
The spelling of 70074893 in words is "seventy million, seventy-four thousand, eight hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •