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2230440212 = 2272111379579
BaseRepresentation
bin1000010011110001…
…1101000100010100
312202102222002202202
42010330131010110
514031443041322
61005154024032
7106162300100
oct20474350424
95672862682
102230440212
11a45030820
12522b78018
1329712bb10
14172322900
15d0c31292
hex84f1d114

2230440212 has 72 divisors (see below), whose sum is σ = 5334406560. Its totient is φ = 802146240.

The previous prime is 2230440209. The next prime is 2230440263. The reversal of 2230440212 is 2120440322.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 11762 + ... + 67817.

It is an arithmetic number, because the mean of its divisors is an integer number (74088980).

Almost surely, 22230440212 is an apocalyptic number.

2230440212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2230440212 is an abundant number, since it is smaller than the sum of its proper divisors (3103966348).

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

2230440212 is a wasteful number, since it uses less digits than its factorization.

2230440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79621 (or 79612 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2230440212 is about 47227.5365861909. The cubic root of 2230440212 is about 1306.5625186265.

Adding to 2230440212 its reverse (2120440322), we get a palindrome (4350880534).

The spelling of 2230440212 in words is "two billion, two hundred thirty million, four hundred forty thousand, two hundred twelve".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 49 52 77 91 98 143 154 182 196 286 308 364 539 572 637 1001 1078 1274 2002 2156 2548 4004 7007 14014 28028 79579 159158 318316 557053 875369 1034527 1114106 1750738 2069054 2228212 3501476 3899371 4138108 6127583 7241689 7798742 11379797 12255166 14483378 15597484 22759594 24510332 28966756 42893081 45519188 50691823 79658579 85786162 101383646 159317158 171572324 202767292 318634316 557610053 1115220106 2230440212