Base | Representation |
---|---|
bin | 10111000101011… |
… | …010111101001100 |
3 | 222222202201202001 |
4 | 113011122331030 |
5 | 1243122001400 |
6 | 102233042044 |
7 | 12411654031 |
oct | 2705327514 |
9 | 888681661 |
10 | 387297100 |
11 | 18968a053 |
12 | a9856324 |
13 | 623146a8 |
14 | 39619388 |
15 | 24004a6a |
hex | 1715af4c |
387297100 has 18 divisors (see below), whose sum is σ = 840434924. Its totient is φ = 154918800.
The previous prime is 387297089. The next prime is 387297107. The reversal of 387297100 is 1792783.
It is a self number, because there is not a number n which added to its sum of digits gives 387297100.
It is not an unprimeable number, because it can be changed into a prime (387297107) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1936386 + ... + 1936585.
Almost surely, 2387297100 is an apocalyptic number.
It is an amenable number.
387297100 is an abundant number, since it is smaller than the sum of its proper divisors (453137824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387297100 is a wasteful number, since it uses less digits than its factorization.
387297100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3872985 (or 3872978 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 37.
The square root of 387297100 is about 19679.8653450678. The cubic root of 387297100 is about 728.9225990583.
The spelling of 387297100 in words is "three hundred eighty-seven million, two hundred ninety-seven thousand, one hundred".
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