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244421130 = 23519428809
BaseRepresentation
bin11101001000110…
…01001000001010
3122000220212202110
432210121020022
51000032434010
640130443150
76025355022
oct1644311012
9560825673
10244421130
11115a73238
1269a334b6
133b83b2b5
1424666a82
15166d1120
hexe91920a

244421130 has 32 divisors (see below), whose sum is σ = 617486400. Its totient is φ = 61748352.

The previous prime is 244421113. The next prime is 244421137. The reversal of 244421130 is 31124442.

It is a junction number, because it is equal to n+sod(n) for n = 244421097 and 244421106.

It is not an unprimeable number, because it can be changed into a prime (244421137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213835 + ... + 214974.

It is an arithmetic number, because the mean of its divisors is an integer number (19296450).

Almost surely, 2244421130 is an apocalyptic number.

244421130 is an abundant number, since it is smaller than the sum of its proper divisors (373065270).

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

244421130 is a wasteful number, since it uses less digits than its factorization.

244421130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428838.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 244421130 is about 15633.9735831937. The cubic root of 244421130 is about 625.2392726527.

Adding to 244421130 its reverse (31124442), we get a palindrome (275545572).

The spelling of 244421130 in words is "two hundred forty-four million, four hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 428809 857618 1286427 2144045 2572854 4288090 6432135 8147371 12864270 16294742 24442113 40736855 48884226 81473710 122210565 244421130