Base | Representation |
---|---|
bin | 10001000000111… |
… | …110011011110001 |
3 | 201220011022000202 |
4 | 101000332123301 |
5 | 1041034442101 |
6 | 44154324545 |
7 | 10034304251 |
oct | 2100763361 |
9 | 656138022 |
10 | 285468401 |
11 | 1371596a9 |
12 | 7b729755 |
13 | 471b071a |
14 | 29cad961 |
15 | 1a0dd36b |
hex | 1103e6f1 |
285468401 has 4 divisors (see below), whose sum is σ = 285521904. Its totient is φ = 285414900.
The previous prime is 285468383. The next prime is 285468427. The reversal of 285468401 is 104864582.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-285468401 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (285468461) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17735 + ... + 29756.
It is an arithmetic number, because the mean of its divisors is an integer number (71380476).
Almost surely, 2285468401 is an apocalyptic number.
It is an amenable number.
285468401 is a deficient number, since it is larger than the sum of its proper divisors (53503).
285468401 is an equidigital number, since it uses as much as digits as its factorization.
285468401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53502.
The product of its (nonzero) digits is 61440, while the sum is 38.
The square root of 285468401 is about 16895.8101611021. The cubic root of 285468401 is about 658.4447624805. Note that the first 3 decimals are identical.
The spelling of 285468401 in words is "two hundred eighty-five million, four hundred sixty-eight thousand, four hundred one".
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