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253130244 = 223170912343
BaseRepresentation
bin11110001011001…
…11011000000100
3122122022100102020
433011213120010
51004300131434
641041243140
76162400023
oct1705473004
9578270366
10253130244
1111a981554
12709334b0
134059a413
14258928ba
1517351849
hexf167604

253130244 has 24 divisors (see below), whose sum is σ = 591030720. Its totient is φ = 84320544.

The previous prime is 253130239. The next prime is 253130291. The reversal of 253130244 is 442031352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14337 + ... + 26679.

It is an arithmetic number, because the mean of its divisors is an integer number (24626280).

Almost surely, 2253130244 is an apocalyptic number.

It is an amenable number.

253130244 is an abundant number, since it is smaller than the sum of its proper divisors (337900476).

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

253130244 is a wasteful number, since it uses less digits than its factorization.

253130244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14059 (or 14057 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 253130244 is about 15910.0673788642. The cubic root of 253130244 is about 632.5788673026.

Adding to 253130244 its reverse (442031352), we get a palindrome (695161596).

The spelling of 253130244 in words is "two hundred fifty-three million, one hundred thirty thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 1709 3418 5127 6836 10254 12343 20508 24686 37029 49372 74058 148116 21094187 42188374 63282561 84376748 126565122 253130244