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2072263442 = 2321892
BaseRepresentation
bin111101110000100…
…0011101100010010
312100102022220000212
41323201003230102
513220444412232
6541343444122
7102231643244
oct17341035422
95312286025
102072263442
11973814217
12499bb6642
132704291b2
1415930a094
15c1dd8eb2
hex7b843b12

2072263442 has 6 divisors (see below), whose sum is σ = 3108491733. Its totient is φ = 1036099532.

The previous prime is 2072263441. The next prime is 2072263447. The reversal of 2072263442 is 2443622702.

It can be written as a sum of positive squares in 2 ways, for example, as 1989070801 + 83192641 = 44599^2 + 9121^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=32189.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2072263399 and 2072263408.

It is not an unprimeable number, because it can be changed into a prime (2072263441) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 48284 + ... + 80472.

Almost surely, 22072263442 is an apocalyptic number.

2072263442 is a deficient number, since it is larger than the sum of its proper divisors (1036228291).

2072263442 is an frugal number, since it uses more digits than its factorization.

2072263442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64380 (or 32191 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 2072263442 is about 45522.1203592276. The cubic root of 2072263442 is about 1274.9162455812.

Multiplying 2072263442 by its sum of digits (32), we get a square (66312430144 = 2575122).

The spelling of 2072263442 in words is "two billion, seventy-two million, two hundred sixty-three thousand, four hundred forty-two".

Divisors: 1 2 32189 64378 1036131721 2072263442