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212427315 = 32519614073
BaseRepresentation
bin11001010100101…
…10001000110011
3112210201102111100
430222112020303
5413340133230
633025015443
75156413422
oct1452261063
9483642440
10212427315
11a9a00871
125b184583
1335018949
14202d92b9
15139b1660
hexca96233

212427315 has 48 divisors (see below), whose sum is σ = 394037280. Its totient is φ = 105546240.

The previous prime is 212427311. The next prime is 212427329. The reversal of 212427315 is 513724212.

It is not a de Polignac number, because 212427315 - 22 = 212427311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212427311) 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 47 ways as a sum of consecutive naturals, for example, 50119 + ... + 54191.

It is an arithmetic number, because the mean of its divisors is an integer number (8209110).

Almost surely, 2212427315 is an apocalyptic number.

212427315 is a deficient number, since it is larger than the sum of its proper divisors (181609965).

212427315 is a wasteful number, since it uses less digits than its factorization.

212427315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164 (or 4161 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 212427315 is about 14574.8864489573. The cubic root of 212427315 is about 596.6735503022.

The spelling of 212427315 in words is "two hundred twelve million, four hundred twenty-seven thousand, three hundred fifteen".

Divisors: 1 3 5 9 15 19 45 57 61 95 171 183 285 305 549 855 915 1159 2745 3477 4073 5795 10431 12219 17385 20365 36657 52155 61095 77387 183285 232161 248453 386935 696483 745359 1160805 1242265 2236077 3482415 3726795 4720607 11180385 14161821 23603035 42485463 70809105 212427315