Base | Representation |
---|---|
bin | 1000010110101… |
… | …11011011100111 |
3 | 11212212212020112 |
4 | 10023113123213 |
5 | 120420312143 |
6 | 10542123235 |
7 | 1510512266 |
oct | 413273347 |
9 | 155785215 |
10 | 70088423 |
11 | 36621519 |
12 | 1b58051b |
13 | 1169cb52 |
14 | 94465dd |
15 | 6246e18 |
hex | 42d76e7 |
70088423 has 4 divisors (see below), whose sum is σ = 70381920. Its totient is φ = 69794928.
The previous prime is 70088413. The next prime is 70088441. The reversal of 70088423 is 32488007.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 70088423 - 210 = 70087399 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 70088423.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70088413) 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, 146390 + ... + 146867.
It is an arithmetic number, because the mean of its divisors is an integer number (17595480).
Almost surely, 270088423 is an apocalyptic number.
70088423 is a deficient number, since it is larger than the sum of its proper divisors (293497).
70088423 is a wasteful number, since it uses less digits than its factorization.
70088423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 293496.
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 70088423 is about 8371.8828826017. The cubic root of 70088423 is about 412.3019885884.
The spelling of 70088423 in words is "seventy million, eighty-eight thousand, four hundred twenty-three".
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