Base | Representation |
---|---|
bin | 10111000111100… |
… | …011101011000000 |
3 | 1000000211011220100 |
4 | 113013203223000 |
5 | 1243242411323 |
6 | 102253042400 |
7 | 12416505453 |
oct | 2707435300 |
9 | 1000734810 |
10 | 387857088 |
11 | 189a31853 |
12 | a9a86400 |
13 | 6247c548 |
14 | 3972349a |
15 | 240b5943 |
hex | 171e3ac0 |
387857088 has 84 divisors (see below), whose sum is σ = 1141831600. Its totient is φ = 125784576.
The previous prime is 387857083. The next prime is 387857161. The reversal of 387857088 is 880758783.
It is not an unprimeable number, because it can be changed into a prime (387857081) 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, 12213 + ... + 30411.
Almost surely, 2387857088 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 387857088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570915800).
387857088 is an abundant number, since it is smaller than the sum of its proper divisors (753974512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387857088 is a wasteful number, since it uses less digits than its factorization.
387857088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18254 (or 18241 counting only the distinct ones).
The product of its (nonzero) digits is 3010560, while the sum is 54.
The square root of 387857088 is about 19694.0876407109. The cubic root of 387857088 is about 729.2737432101.
The spelling of 387857088 in words is "three hundred eighty-seven million, eight hundred fifty-seven thousand, eighty-eight".
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