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2212758484 = 221597346393
BaseRepresentation
bin1000001111100100…
…0000001111010100
312201012200202222221
42003321000033110
514012431232414
61003323032124
7105556064626
oct20371001724
95635622887
102212758484
11a36054222
1251906b644
1329357a961
1416dc3cc16
15ce3dc224
hex83e403d4

2212758484 has 12 divisors (see below), whose sum is σ = 3874763284. Its totient is φ = 1105683264.

The previous prime is 2212758481. The next prime is 2212758497. The reversal of 2212758484 is 4848572122.

It can be written as a sum of positive squares in 2 ways, for example, as 395612100 + 1817146384 = 19890^2 + 42628^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2212758484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212758481) 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 3 ways as a sum of consecutive naturals, for example, 166809 + ... + 179584.

Almost surely, 22212758484 is an apocalyptic number.

It is an amenable number.

2212758484 is a deficient number, since it is larger than the sum of its proper divisors (1662004800).

2212758484 is a wasteful number, since it uses less digits than its factorization.

2212758484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347994 (or 347992 counting only the distinct ones).

The product of its digits is 286720, while the sum is 43.

The square root of 2212758484 is about 47039.9668792400. The cubic root of 2212758484 is about 1303.1007803384.

The spelling of 2212758484 in words is "two billion, two hundred twelve million, seven hundred fifty-eight thousand, four hundred eighty-four".

Divisors: 1 2 4 1597 3194 6388 346393 692786 1385572 553189621 1106379242 2212758484