Base | Representation |
---|---|
bin | 10111000111110… |
… | …100000010011010 |
3 | 1000000221120212002 |
4 | 113013310002122 |
5 | 1243302032442 |
6 | 102254321002 |
7 | 12420205055 |
oct | 2707640232 |
9 | 1000846762 |
10 | 387924122 |
11 | 189a78153 |
12 | a9ab9162 |
13 | 624a3c01 |
14 | 3973da9c |
15 | 240ca732 |
hex | 171f409a |
387924122 has 24 divisors (see below), whose sum is σ = 625156380. Its totient is φ = 180477440.
The previous prime is 387924109. The next prime is 387924127. The reversal of 387924122 is 221429783.
It can be written as a sum of positive squares in 6 ways, for example, as 158734801 + 229189321 = 12599^2 + 15139^2 .
It is not an unprimeable number, because it can be changed into a prime (387924127) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47672 + ... + 55212.
Almost surely, 2387924122 is an apocalyptic number.
387924122 is a deficient number, since it is larger than the sum of its proper divisors (237232258).
387924122 is a wasteful number, since it uses less digits than its factorization.
387924122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7666 (or 7649 counting only the distinct ones).
The product of its digits is 48384, while the sum is 38.
The square root of 387924122 is about 19695.7894485090. The cubic root of 387924122 is about 729.3157546635.
The spelling of 387924122 in words is "three hundred eighty-seven million, nine hundred twenty-four thousand, one hundred twenty-two".
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