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1244424 = 233192729
BaseRepresentation
bin100101111110100001000
32100020000210
410233310020
5304310144
642401120
713402026
oct4576410
92306023
101244424
1177aa55
125001a0
1334755c
14245716
15198ab9
hex12fd08

1244424 has 32 divisors (see below), whose sum is σ = 3276000. Its totient is φ = 392832.

The previous prime is 1244423. The next prime is 1244429. The reversal of 1244424 is 4244421.

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

It is a zygodrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1244424.

It is not an unprimeable number, because it can be changed into a prime (1244423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909 + ... + 1820.

It is an arithmetic number, because the mean of its divisors is an integer number (102375).

21244424 is an apocalyptic number.

It is an amenable number.

1244424 is an abundant number, since it is smaller than the sum of its proper divisors (2031576).

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

1244424 is a wasteful number, since it uses less digits than its factorization.

1244424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757 (or 2753 counting only the distinct ones).

The product of its digits is 1024, while the sum is 21.

The square root of 1244424 is about 1115.5375385885. The cubic root of 1244424 is about 107.5613207022.

Adding to 1244424 its reverse (4244421), we get a palindrome (5488845).

The spelling of 1244424 in words is "one million, two hundred forty-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 2729 5458 8187 10916 16374 21832 32748 51851 65496 103702 155553 207404 311106 414808 622212 1244424