Search a number
-
+
2860000255 = 5781714293
BaseRepresentation
bin1010101001111000…
…0010001111111111
321101022121001210101
42222132002033333
521324130002010
61151443421531
7130605413110
oct25236021777
97338531711
102860000255
111238439582
126799848a7
133676a7358
141d1ba2207
1511b13c73a
hexaa7823ff

2860000255 has 8 divisors (see below), whose sum is σ = 3922286112. Its totient is φ = 1961143008.

The previous prime is 2860000237. The next prime is 2860000259. The reversal of 2860000255 is 5520000682.

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 2860000255 - 219 = 2859475967 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 (2860000259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40857112 + ... + 40857181.

It is an arithmetic number, because the mean of its divisors is an integer number (490285764).

Almost surely, 22860000255 is an apocalyptic number.

2860000255 is a deficient number, since it is larger than the sum of its proper divisors (1062285857).

2860000255 is an equidigital number, since it uses as much as digits as its factorization.

2860000255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81714305.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2860000255 is about 53478.9702125985. The cubic root of 2860000255 is about 1419.4562910504.

The spelling of 2860000255 in words is "two billion, eight hundred sixty million, two hundred fifty-five", and thus it is an aban number.

Divisors: 1 5 7 35 81714293 408571465 572000051 2860000255