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1424444 = 22750873
BaseRepresentation
bin101011011110000111100
32200100222012
411123300330
5331040234
650310352
715051620
oct5336074
92610865
101424444
1189322a
125883b8
133ab488
14291180
151d20ce
hex15bc3c

1424444 has 12 divisors (see below), whose sum is σ = 2848944. Its totient is φ = 610464.

The previous prime is 1424443. The next prime is 1424471. The reversal of 1424444 is 4444241.

1424444 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424441) 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, 25409 + ... + 25464.

It is an arithmetic number, because the mean of its divisors is an integer number (237412).

21424444 is an apocalyptic number.

1424444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1424444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1424444 is a wasteful number, since it uses less digits than its factorization.

1424444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50884 (or 50882 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 1424444 is about 1193.5007331376. The cubic root of 1424444 is about 112.5162182380.

Adding to 1424444 its reverse (4444241), we get a palindrome (5868685).

The spelling of 1424444 in words is "one million, four hundred twenty-four thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 50873 101746 203492 356111 712222 1424444