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252660244 = 22233318297
BaseRepresentation
bin11110000111101…
…00101000010100
3122121102110200211
433003310220110
51004140111434
641023215204
76155401534
oct1703645024
9577373624
10252660244
1111a690421
1270747504
1340464505
14257ad4c4
15172ac464
hexf0f4a14

252660244 has 24 divisors (see below), whose sum is σ = 462829248. Its totient is φ = 120457920.

The previous prime is 252660241. The next prime is 252660301. The reversal of 252660244 is 442066252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252660241) by changing a digit.

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, 26304 + ... + 34600.

It is an arithmetic number, because the mean of its divisors is an integer number (19284552).

Almost surely, 2252660244 is an apocalyptic number.

It is an amenable number.

252660244 is a deficient number, since it is larger than the sum of its proper divisors (210169004).

252660244 is a wasteful number, since it uses less digits than its factorization.

252660244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8655 (or 8653 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 252660244 is about 15895.2899942090. The cubic root of 252660244 is about 632.1871107842.

The spelling of 252660244 in words is "two hundred fifty-two million, six hundred sixty thousand, two hundred forty-four".

Divisors: 1 2 4 23 46 92 331 662 1324 7613 8297 15226 16594 30452 33188 190831 381662 763324 2746307 5492614 10985228 63165061 126330122 252660244