Base | Representation |
---|---|
bin | 1000010110011… |
… | …00000011100111 |
3 | 11212210111022220 |
4 | 10023030003213 |
5 | 120412314311 |
6 | 10541123423 |
7 | 1510226406 |
oct | 413140347 |
9 | 155714286 |
10 | 70041831 |
11 | 3659a512 |
12 | 1b559573 |
13 | 11684892 |
14 | 943363d |
15 | 6238206 |
hex | 42cc0e7 |
70041831 has 16 divisors (see below), whose sum is σ = 97958400. Its totient is φ = 44431200.
The previous prime is 70041827. The next prime is 70041841. The reversal of 70041831 is 13814007.
It is not a de Polignac number, because 70041831 - 22 = 70041827 is a prime.
It is a super-2 number, since 2×700418312 = 9811716179665122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70041841) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11181 + ... + 16281.
It is an arithmetic number, because the mean of its divisors is an integer number (6122400).
Almost surely, 270041831 is an apocalyptic number.
70041831 is a deficient number, since it is larger than the sum of its proper divisors (27916569).
70041831 is a wasteful number, since it uses less digits than its factorization.
70041831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5326.
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 70041831 is about 8369.0997723770. The cubic root of 70041831 is about 412.2106076742.
Adding to 70041831 its reverse (13814007), we get a palindrome (83855838).
The spelling of 70041831 in words is "seventy million, forty-one thousand, eight hundred thirty-one".
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