Search a number
-
+
4457427 = 313373089
BaseRepresentation
bin10001000000001111010011
322101110102220
4101000033103
52120114202
6235312123
752613262
oct21001723
98343386
104457427
112574a27
1215ab643
13c00b40
148405d9
155d0abc
hex4403d3

4457427 has 16 divisors (see below), whose sum is σ = 6575520. Its totient is φ = 2668032.

The previous prime is 4457413. The next prime is 4457429. The reversal of 4457427 is 7247544.

It is not a de Polignac number, because 4457427 - 28 = 4457171 is a prime.

It is a d-powerful number, because it can be written as 44 + 49 + 5 + 73 + 411 + 25 + 73 .

It is not an unprimeable number, because it can be changed into a prime (4457429) 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, 102 + ... + 2987.

It is an arithmetic number, because the mean of its divisors is an integer number (410970).

Almost surely, 24457427 is an apocalyptic number.

4457427 is a deficient number, since it is larger than the sum of its proper divisors (2118093).

4457427 is a wasteful number, since it uses less digits than its factorization.

4457427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142.

The product of its digits is 31360, while the sum is 33.

The square root of 4457427 is about 2111.2619449040. The cubic root of 4457427 is about 164.5740713405.

It can be divided in two parts, 4457 and 427, that added together give a palindrome (4884).

The spelling of 4457427 in words is "four million, four hundred fifty-seven thousand, four hundred twenty-seven".

Divisors: 1 3 13 37 39 111 481 1443 3089 9267 40157 114293 120471 342879 1485809 4457427