Base | Representation |
---|---|
bin | 1000111001001011… |
… | …1010101111110010 |
3 | 20011101011121201100 |
4 | 2032102322233302 |
5 | 14342123331030 |
6 | 1032520345230 |
7 | 113105626650 |
oct | 21622725762 |
9 | 6141147640 |
10 | 2387323890 |
11 | 1015644856 |
12 | 567615216 |
13 | 2c079acb3 |
14 | 1890bddd0 |
15 | de8c0360 |
hex | 8e4babf2 |
2387323890 has 96 divisors (see below), whose sum is σ = 7120638720. Its totient is φ = 543606912.
The previous prime is 2387323871. The next prime is 2387323901. The reversal of 2387323890 is 983237832.
It is a happy number.
2387323890 is a `hidden beast` number, since 238 + 7 + 32 + 389 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162427 + ... + 176513.
It is an arithmetic number, because the mean of its divisors is an integer number (74173320).
Almost surely, 22387323890 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2387323890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3560319360).
2387323890 is an abundant number, since it is smaller than the sum of its proper divisors (4733314830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2387323890 is a wasteful number, since it uses less digits than its factorization.
2387323890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14376 (or 14373 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 45.
The square root of 2387323890 is about 48860.2485667030. The cubic root of 2387323890 is about 1336.5045697289.
The spelling of 2387323890 in words is "two billion, three hundred eighty-seven million, three hundred twenty-three thousand, eight hundred ninety".
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