Base | Representation |
---|---|
bin | 1000010110011… |
… | …00010100111101 |
3 | 11212210112212000 |
4 | 10023030110331 |
5 | 120412333231 |
6 | 10541132513 |
7 | 1510232553 |
oct | 413142475 |
9 | 155715760 |
10 | 70042941 |
11 | 365a0331 |
12 | 1b55a139 |
13 | 11685237 |
14 | 9433bd3 |
15 | 62386e6 |
hex | 42cc53d |
70042941 has 16 divisors (see below), whose sum is σ = 109872000. Its totient is φ = 43948224.
The previous prime is 70042933. The next prime is 70042943. The reversal of 70042941 is 14924007.
It is a happy number.
It is not a de Polignac number, because 70042941 - 23 = 70042933 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70042943) 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 15 ways as a sum of consecutive naturals, for example, 75841 + ... + 76758.
It is an arithmetic number, because the mean of its divisors is an integer number (6867000).
Almost surely, 270042941 is an apocalyptic number.
It is an amenable number.
70042941 is a deficient number, since it is larger than the sum of its proper divisors (39829059).
70042941 is a wasteful number, since it uses less digits than its factorization.
70042941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152625 (or 152619 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 70042941 is about 8369.1660874904. The cubic root of 70042941 is about 412.2127851889.
Adding to 70042941 its reverse (14924007), we get a palindrome (84966948).
The spelling of 70042941 in words is "seventy million, forty-two thousand, nine hundred forty-one".
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