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1444121422 = 23153795563
BaseRepresentation
bin101011000010011…
…1000101101001110
310201122100222011121
41112010320231032
510424143341142
6355144311154
750533554352
oct12604705516
93648328147
101444121422
11681194887
123437724ba
131a0259223
14d9b19462
1586bacc67
hex56138b4e

1444121422 has 32 divisors (see below), whose sum is σ = 2307502080. Its totient is φ = 676784160.

The previous prime is 1444121407. The next prime is 1444121443. The reversal of 1444121422 is 2241214441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256813 + ... + 262375.

It is an arithmetic number, because the mean of its divisors is an integer number (72109440).

Almost surely, 21444121422 is an apocalyptic number.

1444121422 is a deficient number, since it is larger than the sum of its proper divisors (863380658).

1444121422 is a wasteful number, since it uses less digits than its factorization.

1444121422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728.

The product of its digits is 2048, while the sum is 25.

The square root of 1444121422 is about 38001.5976243105. The cubic root of 1444121422 is about 1130.3195436397.

Adding to 1444121422 its reverse (2241214441), we get a palindrome (3685335863).

The spelling of 1444121422 in words is "one billion, four hundred forty-four million, one hundred twenty-one thousand, four hundred twenty-two".

Divisors: 1 2 31 53 62 79 106 158 1643 2449 3286 4187 4898 5563 8374 11126 129797 172453 259594 294839 344906 439477 589678 878954 9140009 13623787 18280018 23292281 27247574 46584562 722060711 1444121422