Search a number
-
+
4492388 = 221975701
BaseRepresentation
bin10001001000110001100100
322110020101202
4101020301210
52122224023
6240142032
753120225
oct21106144
98406352
104492388
11259921a
121607918
13c13a24
1484d24c
155db128
hex448c64

4492388 has 12 divisors (see below), whose sum is σ = 7902972. Its totient is φ = 2234400.

The previous prime is 4492387. The next prime is 4492391. The reversal of 4492388 is 8832944.

It can be written as a sum of positive squares in 2 ways, for example, as 4169764 + 322624 = 2042^2 + 568^2 .

It is a d-powerful number, because it can be written as 44 + 49 + 93 + 221 + 37 + 85 + 87 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4492387) 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, 2063 + ... + 3638.

It is an arithmetic number, because the mean of its divisors is an integer number (658581).

Almost surely, 24492388 is an apocalyptic number.

It is an amenable number.

4492388 is a deficient number, since it is larger than the sum of its proper divisors (3410584).

4492388 is a wasteful number, since it uses less digits than its factorization.

4492388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902 (or 5900 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 4492388 is about 2119.5254185784. The cubic root of 4492388 is about 165.0032200167.

The spelling of 4492388 in words is "four million, four hundred ninety-two thousand, three hundred eighty-eight".

Divisors: 1 2 4 197 394 788 5701 11402 22804 1123097 2246194 4492388