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252330212 = 2288771119
BaseRepresentation
bin11110000101001…
…00000011100100
3122120210200222102
433002210003210
51004044031322
641012151232
76152525411
oct1702440344
9576720872
10252330212
1111a485472
1270608518
134037a224
1425725108
1517244792
hexf0a40e4

252330212 has 12 divisors (see below), whose sum is σ = 442081920. Its totient is φ = 126021096.

The previous prime is 252330193. The next prime is 252330227. The reversal of 252330212 is 212033252.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 32012 + ... + 39107.

It is an arithmetic number, because the mean of its divisors is an integer number (36840160).

Almost surely, 2252330212 is an apocalyptic number.

It is an amenable number.

252330212 is a deficient number, since it is larger than the sum of its proper divisors (189751708).

252330212 is a wasteful number, since it uses less digits than its factorization.

252330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72010 (or 72008 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 252330212 is about 15884.9051618195. The cubic root of 252330212 is about 631.9117305821.

Adding to 252330212 its reverse (212033252), we get a palindrome (464363464).

The spelling of 252330212 in words is "two hundred fifty-two million, three hundred thirty thousand, two hundred twelve".

Divisors: 1 2 4 887 1774 3548 71119 142238 284476 63082553 126165106 252330212