Search a number
-
+
4285939 = 72943491
BaseRepresentation
bin10000010110010111110011
322001202012111
4100112113303
52044122224
6231510151
751300310
oct20262763
98052174
104285939
1124680a9
121528357
13b70a78
147d7d07
15599d94
hex4165f3

4285939 has 16 divisors (see below), whose sum is σ = 5195520. Its totient is φ = 3457440.

The previous prime is 4285913. The next prime is 4285949. The reversal of 4285939 is 9395824.

It is a happy number.

It is not a de Polignac number, because 4285939 - 25 = 4285907 is a prime.

It is a super-2 number, since 2×42859392 = 36738546223442, which contains 22 as substring.

It is a Duffinian number.

4285939 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4285949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8484 + ... + 8974.

It is an arithmetic number, because the mean of its divisors is an integer number (324720).

Almost surely, 24285939 is an apocalyptic number.

4285939 is a deficient number, since it is larger than the sum of its proper divisors (909581).

4285939 is a wasteful number, since it uses less digits than its factorization.

4285939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570.

The product of its digits is 77760, while the sum is 40.

The square root of 4285939 is about 2070.2509509719. The cubic root of 4285939 is about 162.4358910821.

The spelling of 4285939 in words is "four million, two hundred eighty-five thousand, nine hundred thirty-nine".

Divisors: 1 7 29 43 203 301 491 1247 3437 8729 14239 21113 99673 147791 612277 4285939