Base | Representation |
---|---|
bin | 10001000111000… |
… | …101111101001100 |
3 | 202000011202212010 |
4 | 101013011331030 |
5 | 1041442301301 |
6 | 44252541220 |
7 | 10054033554 |
oct | 2107057514 |
9 | 660152763 |
10 | 287072076 |
11 | 138054555 |
12 | 80181810 |
13 | 47622645 |
14 | 2a1aa164 |
15 | 1a3085d6 |
hex | 111c5f4c |
287072076 has 24 divisors (see below), whose sum is σ = 671300784. Its totient is φ = 95481280.
The previous prime is 287072069. The next prime is 287072089. The reversal of 287072076 is 670270782.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20415 + ... + 31478.
It is an arithmetic number, because the mean of its divisors is an integer number (27970866).
Almost surely, 2287072076 is an apocalyptic number.
It is an amenable number.
287072076 is an abundant number, since it is smaller than the sum of its proper divisors (384228708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
287072076 is a wasteful number, since it uses less digits than its factorization.
287072076 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52361 (or 52359 counting only the distinct ones).
The product of its (nonzero) digits is 65856, while the sum is 39.
The square root of 287072076 is about 16943.2014684357. The cubic root of 287072076 is about 659.6754418924.
The spelling of 287072076 in words is "two hundred eighty-seven million, seventy-two thousand, seventy-six".
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