Search a number
-
+
282344221 = 4314491459
BaseRepresentation
bin10000110101000…
…011101100011101
3201200021120110101
4100311003230131
51034240003341
644003341101
76665612665
oct2065035435
9650246411
10282344221
11135415435
127a681791
13466586b3
14296d91a5
1519bc2831
hex10d43b1d

282344221 has 8 divisors (see below), whose sum is σ = 283824000. Its totient is φ = 280869120.

The previous prime is 282344219. The next prime is 282344233. The reversal of 282344221 is 122443282.

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 282344221 - 21 = 282344219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 282344221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282345221) 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, 192790 + ... + 194248.

It is an arithmetic number, because the mean of its divisors is an integer number (35478000).

Almost surely, 2282344221 is an apocalyptic number.

It is an amenable number.

282344221 is a deficient number, since it is larger than the sum of its proper divisors (1479779).

282344221 is a wasteful number, since it uses less digits than its factorization.

282344221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339.

The product of its digits is 6144, while the sum is 28.

The square root of 282344221 is about 16803.1015291820. The cubic root of 282344221 is about 656.0339290960.

The spelling of 282344221 in words is "two hundred eighty-two million, three hundred forty-four thousand, two hundred twenty-one".

Divisors: 1 431 449 1459 193519 628829 655091 282344221