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244421232 = 243114491031
BaseRepresentation
bin11101001000110…
…01001001110000
3122000220212220020
432210121021300
51000032434412
640130443440
76025355226
oct1644311160
9560825806
10244421232
11115a73320
1269a33580
133b83b363
1424666b16
15166d118c
hexe919270

244421232 has 80 divisors (see below), whose sum is σ = 691027200. Its totient is φ = 73830400.

The previous prime is 244421209. The next prime is 244421311. The reversal of 244421232 is 232124442.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

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, 236557 + ... + 237587.

It is an arithmetic number, because the mean of its divisors is an integer number (8637840).

Almost surely, 2244421232 is an apocalyptic number.

244421232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244421232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345513600).

244421232 is an abundant number, since it is smaller than the sum of its proper divisors (446605968).

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

244421232 is a wasteful number, since it uses less digits than its factorization.

244421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1496 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 244421232 is about 15633.9768453199. The cubic root of 244421232 is about 625.2393596261.

Adding to 244421232 its reverse (232124442), we get a palindrome (476545674).

The spelling of 244421232 in words is "two hundred forty-four million, four hundred twenty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 449 528 898 1031 1347 1796 2062 2694 3093 3592 4124 4939 5388 6186 7184 8248 9878 10776 11341 12372 14817 16496 19756 21552 22682 24744 29634 34023 39512 45364 49488 59268 68046 79024 90728 118536 136092 181456 237072 272184 462919 544368 925838 1388757 1851676 2777514 3703352 5092109 5555028 7406704 10184218 11110056 15276327 20368436 22220112 30552654 40736872 61105308 81473744 122210616 244421232