Base | Representation |
---|---|
bin | 10111000111100… |
… | …010101111011000 |
3 | 1000000210222200000 |
4 | 113013202233120 |
5 | 1243242301042 |
6 | 102253013000 |
7 | 12416461362 |
oct | 2707425730 |
9 | 1000728600 |
10 | 387853272 |
11 | 189a299a4 |
12 | a9a84160 |
13 | 6247a8a1 |
14 | 39721d32 |
15 | 240b474c |
hex | 171e2bd8 |
387853272 has 96 divisors (see below), whose sum is σ = 1098377280. Its totient is φ = 128213280.
The previous prime is 387853267. The next prime is 387853309. The reversal of 387853272 is 272358783.
It is a super-2 number, since 2×3878532722 = 300860321202211968, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253903 + ... + 255425.
It is an arithmetic number, because the mean of its divisors is an integer number (11441430).
Almost surely, 2387853272 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 387853272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549188640).
387853272 is an abundant number, since it is smaller than the sum of its proper divisors (710524008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387853272 is a wasteful number, since it uses less digits than its factorization.
387853272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1675 (or 1659 counting only the distinct ones).
The product of its digits is 564480, while the sum is 45.
The square root of 387853272 is about 19693.9907586045. The cubic root of 387853272 is about 729.2713515063.
The spelling of 387853272 in words is "three hundred eighty-seven million, eight hundred fifty-three thousand, two hundred seventy-two".
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