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4442430 = 235373397
BaseRepresentation
bin10000111100100100111110
322100200212110
4100330210332
52114124210
6235114450
752521456
oct20744476
98320773
104442430
112564733
1215a2a26
13bc7075
14838d66
155cb420
hex43c93e

4442430 has 32 divisors (see below), whose sum is σ = 10717344. Its totient is φ = 1178496.

The previous prime is 4442429. The next prime is 4442437. The reversal of 4442430 is 342444.

It is a junction number, because it is equal to n+sod(n) for n = 4442397 and 4442406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442437) 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, 10992 + ... + 11388.

It is an arithmetic number, because the mean of its divisors is an integer number (334917).

Almost surely, 24442430 is an apocalyptic number.

4442430 is an abundant number, since it is smaller than the sum of its proper divisors (6274914).

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

4442430 is a wasteful number, since it uses less digits than its factorization.

4442430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4442430 is about 2107.7072851798. The cubic root of 4442430 is about 164.3892942987.

Adding to 4442430 its reverse (342444), we get a palindrome (4784874).

The spelling of 4442430 in words is "four million, four hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 373 397 746 794 1119 1191 1865 1985 2238 2382 3730 3970 5595 5955 11190 11910 148081 296162 444243 740405 888486 1480810 2221215 4442430