Base | Representation |
---|---|
bin | 10001000111010… |
… | …010101001011101 |
3 | 202000021102011111 |
4 | 101013102221131 |
5 | 1042000432221 |
6 | 44254022021 |
7 | 10054341250 |
oct | 2107225135 |
9 | 660242144 |
10 | 287124061 |
11 | 13808a614 |
12 | 801a7911 |
13 | 476401c3 |
14 | 2a1c1097 |
15 | 1a318be1 |
hex | 111d2a5d |
287124061 has 8 divisors (see below), whose sum is σ = 328694400. Its totient is φ = 245691888.
The previous prime is 287124059. The next prime is 287124091. The reversal of 287124061 is 160421782.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 287124061 - 21 = 287124059 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (287124001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30046 + ... + 38431.
It is an arithmetic number, because the mean of its divisors is an integer number (41086800).
Almost surely, 2287124061 is an apocalyptic number.
It is an amenable number.
287124061 is a deficient number, since it is larger than the sum of its proper divisors (41570339).
287124061 is an equidigital number, since it uses as much as digits as its factorization.
287124061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69083.
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 287124061 is about 16944.7354951324. The cubic root of 287124061 is about 659.7152590219.
The spelling of 287124061 in words is "two hundred eighty-seven million, one hundred twenty-four thousand, sixty-one".
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