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1244022 = 231341389
BaseRepresentation
bin100101111101101110110
32100012110220
410233231312
5304302042
642355210
713400613
oct4575566
92305426
101244022
1177a71a
124bbb06
13347310
1424550a
151988ec
hex12fb76

1244022 has 32 divisors (see below), whose sum is σ = 2751840. Its totient is φ = 372480.

The previous prime is 1244021. The next prime is 1244027. The reversal of 1244022 is 2204421.

It is a junction number, because it is equal to n+sod(n) for n = 1243992 and 1244010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244021) 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, 3004 + ... + 3392.

It is an arithmetic number, because the mean of its divisors is an integer number (85995).

21244022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375920).

1244022 is an abundant number, since it is smaller than the sum of its proper divisors (1507818).

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

1244022 is a wasteful number, since it uses less digits than its factorization.

1244022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1244022 is about 1115.3573418416. The cubic root of 1244022 is about 107.5497372152.

Adding to 1244022 its reverse (2204421), we get a palindrome (3448443).

The spelling of 1244022 in words is "one million, two hundred forty-four thousand, twenty-two".

Divisors: 1 2 3 6 13 26 39 41 78 82 123 246 389 533 778 1066 1167 1599 2334 3198 5057 10114 15171 15949 30342 31898 47847 95694 207337 414674 622011 1244022