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220962242 = 22324572
BaseRepresentation
bin11010010101110…
…01110111000010
3120101210001012202
431022321313002
5423031242432
633531553202
75322101534
oct1512716702
9511701182
10220962242
11103800226
1261bbb802
1336a166b7
14214bb854
15145ea462
hexd2b9dc2

220962242 has 18 divisors (see below), whose sum is σ = 347240313. Its totient is φ = 105446352.

The previous prime is 220962241. The next prime is 220962263. The reversal of 220962242 is 242269022.

It can be written as a sum of positive squares in 2 ways, for example, as 186022321 + 34939921 = 13639^2 + 5911^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=10511.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220962241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 483278 + ... + 483734.

Almost surely, 2220962242 is an apocalyptic number.

220962242 is a deficient number, since it is larger than the sum of its proper divisors (126278071).

220962242 is an frugal number, since it uses more digits than its factorization.

220962242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 220962242 is about 14864.7987541036. The cubic root of 220962242 is about 604.5599258546.

The spelling of 220962242 in words is "two hundred twenty million, nine hundred sixty-two thousand, two hundred forty-two".

Divisors: 1 2 23 46 457 529 914 1058 10511 21022 208849 241753 417698 483506 4803527 9607054 110481121 220962242