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4400742 = 231938603
BaseRepresentation
bin10000110010011001100110
322021120200110
4100302121212
52111310432
6234153450
752256103
oct20623146
98246613
104400742
112536385
121582886
13bb10b8
14827aaa
155bddcc
hex432666

4400742 has 16 divisors (see below), whose sum is σ = 9264960. Its totient is φ = 1389672.

The previous prime is 4400731. The next prime is 4400771. The reversal of 4400742 is 2470044.

Adding to 4400742 its reverse (2470044), we get a palindrome (6870786).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19188 + ... + 19415.

It is an arithmetic number, because the mean of its divisors is an integer number (579060).

Almost surely, 24400742 is an apocalyptic number.

4400742 is an abundant number, since it is smaller than the sum of its proper divisors (4864218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4400742 is a wasteful number, since it uses less digits than its factorization.

4400742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38627.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 4400742 is about 2097.7945561947. The cubic root of 4400742 is about 163.8734647597.

The spelling of 4400742 in words is "four million, four hundred thousand, seven hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 38603 77206 115809 231618 733457 1466914 2200371 4400742