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2203019442 = 232132232372
BaseRepresentation
bin1000001101001111…
…0110100010110010
312200112100222112200
42003103312202302
514002433110232
61002334204030
7105410233131
oct20323664262
95615328480
102203019442
11a30602128
12515953616
1329154ab00
1416c825918
15cd61677c
hex834f68b2

2203019442 has 162 divisors, whose sum is σ = 5553092727. Its totient is φ = 630856512.

The previous prime is 2203019417. The next prime is 2203019459. The reversal of 2203019442 is 2449103022.

2203019442 is a `hidden beast` number, since 2 + 203 + 0 + 19 + 442 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 1243197081 + 959822361 = 35259^2 + 30981^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=33189.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 59541048 + ... + 59541084.

Almost surely, 22203019442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2203019442

2203019442 is an abundant number, since it is smaller than the sum of its proper divisors (3350073285).

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

2203019442 is a wasteful number, since it uses less digits than its factorization.

2203019442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2203019442 is about 46936.3339216007. Note that the first 3 decimals coincide. The cubic root of 2203019442 is about 1301.1861840048.

The spelling of 2203019442 in words is "two billion, two hundred three million, nineteen thousand, four hundred forty-two".