Search a number
-
+
284160130 = 2528416013
BaseRepresentation
bin10000111011111…
…111000010000010
3201210200211102021
4100323333002002
51040221111010
644110312054
710020215122
oct2073770202
9653624367
10284160130
11136445791
127b1b862a
1346b430b7
1429a4cc82
1519e308da
hex10eff082

284160130 has 8 divisors (see below), whose sum is σ = 511488252. Its totient is φ = 113664048.

The previous prime is 284160127. The next prime is 284160131. The reversal of 284160130 is 31061482.

284160130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 284158449 + 1681 = 16857^2 + 41^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 284160095 and 284160104.

It is not an unprimeable number, because it can be changed into a prime (284160131) 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, 14207997 + ... + 14208016.

Almost surely, 2284160130 is an apocalyptic number.

284160130 is a deficient number, since it is larger than the sum of its proper divisors (227328122).

284160130 is a wasteful number, since it uses less digits than its factorization.

284160130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28416020.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 284160130 is about 16857.0498605183. The cubic root of 284160130 is about 657.4373614469.

The spelling of 284160130 in words is "two hundred eighty-four million, one hundred sixty thousand, one hundred thirty".

Divisors: 1 2 5 10 28416013 56832026 142080065 284160130