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244243142 = 211133723081
BaseRepresentation
bin11101000111011…
…01101011000110
3122000120211121022
432203231223012
51000011240032
640122551142
76024014063
oct1643555306
9560524538
10244243142
11115961540
12699684b2
133b7a8290
142461bc6a
1516698512
hexe8edac6

244243142 has 32 divisors (see below), whose sum is σ = 442066464. Its totient is φ = 99705600.

The previous prime is 244243117. The next prime is 244243151. The reversal of 244243142 is 241342442.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 959 + ... + 22122.

It is an arithmetic number, because the mean of its divisors is an integer number (13814577).

Almost surely, 2244243142 is an apocalyptic number.

244243142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

244243142 is a deficient number, since it is larger than the sum of its proper divisors (197823322).

244243142 is a wasteful number, since it uses less digits than its factorization.

244243142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23144.

The product of its digits is 6144, while the sum is 26.

The square root of 244243142 is about 15628.2801996893. The cubic root of 244243142 is about 625.0874689315.

Adding to 244243142 its reverse (241342442), we get a palindrome (485585584).

The spelling of 244243142 in words is "two hundred forty-four million, two hundred forty-three thousand, one hundred forty-two".

Divisors: 1 2 11 13 22 26 37 74 143 286 407 481 814 962 5291 10582 23081 46162 253891 300053 507782 600106 853997 1707994 3300583 6601166 9393967 11101961 18787934 22203922 122121571 244243142