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944420 = 22547221
BaseRepresentation
bin11100110100100100100
31202222111112
43212210210
5220210140
632124152
711012261
oct3464444
91688445
10944420
11595614
12396658
13270b39
141a8268
15139c65
hexe6924

944420 has 12 divisors (see below), whose sum is σ = 1983324. Its totient is φ = 377760.

The previous prime is 944417. The next prime is 944429. The reversal of 944420 is 24449.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 262144 + 682276 = 512^2 + 826^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (944429) 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, 23591 + ... + 23630.

It is an arithmetic number, because the mean of its divisors is an integer number (165277).

2944420 is an apocalyptic number.

It is an amenable number.

944420 is an abundant number, since it is smaller than the sum of its proper divisors (1038904).

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

944420 is a wasteful number, since it uses less digits than its factorization.

944420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47230 (or 47228 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 944420 is about 971.8127391633. The cubic root of 944420 is about 98.1119088111. Note that the first 3 decimals are identical.

Adding to 944420 its reverse (24449), we get a palindrome (968869).

The spelling of 944420 in words is "nine hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 47221 94442 188884 236105 472210 944420