Base | Representation |
---|---|
bin | 10111000110010… |
… | …101111111001100 |
3 | 1000000020000102022 |
4 | 113012111333030 |
5 | 1243202221032 |
6 | 102242145312 |
7 | 12414011666 |
oct | 2706257714 |
9 | 1000200368 |
10 | 387538892 |
11 | 189834784 |
12 | a9952238 |
13 | 6239a770 |
14 | 3967d536 |
15 | 24051512 |
hex | 17195fcc |
387538892 has 24 divisors (see below), whose sum is σ = 731090976. Its totient is φ = 178685568.
The previous prime is 387538867. The next prime is 387538901. The reversal of 387538892 is 298835783.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58913 + ... + 65159.
It is an arithmetic number, because the mean of its divisors is an integer number (30462124).
Almost surely, 2387538892 is an apocalyptic number.
It is an amenable number.
387538892 is a deficient number, since it is larger than the sum of its proper divisors (343552084).
387538892 is a wasteful number, since it uses less digits than its factorization.
387538892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7457 (or 7455 counting only the distinct ones).
The product of its digits is 2903040, while the sum is 53.
The square root of 387538892 is about 19686.0075180317. The cubic root of 387538892 is about 729.0742578135.
The spelling of 387538892 in words is "three hundred eighty-seven million, five hundred thirty-eight thousand, eight hundred ninety-two".
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