Base | Representation |
---|---|
bin | 1000010110011… |
… | …00001010111110 |
3 | 11212210111222100 |
4 | 10023030022332 |
5 | 120412323202 |
6 | 10541125530 |
7 | 1510230651 |
oct | 413141276 |
9 | 155714870 |
10 | 70042302 |
11 | 3659a900 |
12 | 1b5598a6 |
13 | 11684b65 |
14 | 9433898 |
15 | 623841c |
hex | 42cc2be |
70042302 has 36 divisors (see below), whose sum is σ = 166813920. Its totient is φ = 21224280.
The previous prime is 70042249. The next prime is 70042327. The reversal of 70042302 is 20324007.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
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 17 ways as a sum of consecutive naturals, for example, 13902 + ... + 18257.
It is an arithmetic number, because the mean of its divisors is an integer number (4633720).
Almost surely, 270042302 is an apocalyptic number.
70042302 is an abundant number, since it is smaller than the sum of its proper divisors (96771618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70042302 is a wasteful number, since it uses less digits than its factorization.
70042302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32189 (or 32175 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 18.
The square root of 70042302 is about 8369.1279115569. The cubic root of 70042302 is about 412.2115316495.
Adding to 70042302 its reverse (20324007), we get a palindrome (90366309).
The spelling of 70042302 in words is "seventy million, forty-two thousand, three hundred two".
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