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212010224 = 2476917231
BaseRepresentation
bin11001010001100…
…00010011110000
3112202221020100112
430220300103300
5413233311344
633012040452
75153025416
oct1450602360
9482836315
10212010224
11a9746468
125b003128
1334c00b4a
142022b2b6
151392cc9e
hexca304f0

212010224 has 20 divisors (see below), whose sum is σ = 411327840. Its totient is φ = 105861120.

The previous prime is 212010217. The next prime is 212010233. The reversal of 212010224 is 422010212.

It is a junction number, because it is equal to n+sod(n) for n = 212010199 and 212010208.

It is a congruent number.

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, 3689 + ... + 20919.

It is an arithmetic number, because the mean of its divisors is an integer number (20566392).

Almost surely, 2212010224 is an apocalyptic number.

It is an amenable number.

212010224 is a deficient number, since it is larger than the sum of its proper divisors (199317616).

212010224 is a wasteful number, since it uses less digits than its factorization.

212010224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18008 (or 18002 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 212010224 is about 14560.5708679296. The cubic root of 212010224 is about 596.2827809932.

Adding to 212010224 its reverse (422010212), we get a palindrome (634020436).

The spelling of 212010224 in words is "two hundred twelve million, ten thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 769 1538 3076 6152 12304 17231 34462 68924 137848 275696 13250639 26501278 53002556 106005112 212010224