Base | Representation |
---|---|
bin | 111001110001111… |
… | …1101101000011101 |
3 | 12000010012121122201 |
4 | 1303203331220131 |
5 | 12432313313300 |
6 | 520215211501 |
7 | 66021406330 |
oct | 16343755035 |
9 | 5003177581 |
10 | 1938807325 |
11 | 905451704 |
12 | 461376b91 |
13 | 24b8a0590 |
14 | 1456ca617 |
15 | b532666a |
hex | 738fda1d |
1938807325 has 48 divisors (see below), whose sum is σ = 3061054080. Its totient is φ = 1184843520.
The previous prime is 1938807251. The next prime is 1938807359. The reversal of 1938807325 is 5237088391.
It is not a de Polignac number, because 1938807325 - 215 = 1938774557 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51282 + ... + 80668.
It is an arithmetic number, because the mean of its divisors is an integer number (63771960).
Almost surely, 21938807325 is an apocalyptic number.
It is an amenable number.
1938807325 is a deficient number, since it is larger than the sum of its proper divisors (1122246755).
1938807325 is a wasteful number, since it uses less digits than its factorization.
1938807325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29446 (or 29441 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 46.
The square root of 1938807325 is about 44031.8898640519. The cubic root of 1938807325 is about 1246.9380684510.
The spelling of 1938807325 in words is "one billion, nine hundred thirty-eight million, eight hundred seven thousand, three hundred twenty-five".
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