Base | Representation |
---|---|
bin | 110111111011110… |
… | …011011011101010 |
3 | 2102101210212210000 |
4 | 313323303123222 |
5 | 3410214032132 |
6 | 233041403430 |
7 | 32153321103 |
oct | 6773633352 |
9 | 2371725700 |
10 | 938424042 |
11 | 441796966 |
12 | 222339576 |
13 | 11c55aaca |
14 | 8c8bd3aa |
15 | 575bb87c |
hex | 37ef36ea |
938424042 has 40 divisors (see below), whose sum is σ = 2142459396. Its totient is φ = 306903168.
The previous prime is 938424037. The next prime is 938424049. The reversal of 938424042 is 240424839.
It can be written as a sum of positive squares in 2 ways, for example, as 920454921 + 17969121 = 30339^2 + 4239^2 .
It is a junction number, because it is equal to n+sod(n) for n = 938423988 and 938424006.
It is not an unprimeable number, because it can be changed into a prime (938424049) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46063 + ... + 63234.
Almost surely, 2938424042 is an apocalyptic number.
938424042 is an abundant number, since it is smaller than the sum of its proper divisors (1204035354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
938424042 is a wasteful number, since it uses less digits than its factorization.
938424042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109364 (or 109355 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 36.
The square root of 938424042 is about 30633.7076110614. The cubic root of 938424042 is about 979.0383604479.
The spelling of 938424042 in words is "nine hundred thirty-eight million, four hundred twenty-four thousand, forty-two".
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