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2194874433 = 321912835523
BaseRepresentation
bin1000001011010011…
…0010000001000001
312122222001011200200
42002310302001001
513443341440213
61001443435413
7105251060553
oct20264620101
95588034620
102194874433
11a26a49714
12513085b69
1328c95868b
1416b7054d3
15cca58273
hex82d32041

2194874433 has 12 divisors (see below), whose sum is σ = 3337236240. Its totient is φ = 1386236376.

The previous prime is 2194874419. The next prime is 2194874453. The reversal of 2194874433 is 3344784912.

It is not a de Polignac number, because 2194874433 - 28 = 2194874177 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2194874453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6417591 + ... + 6417932.

It is an arithmetic number, because the mean of its divisors is an integer number (278103020).

Almost surely, 22194874433 is an apocalyptic number.

It is an amenable number.

2194874433 is a deficient number, since it is larger than the sum of its proper divisors (1142361807).

2194874433 is a wasteful number, since it uses less digits than its factorization.

2194874433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12835548 (or 12835545 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 2194874433 is about 46849.4870089311. The cubic root of 2194874433 is about 1299.5806207388.

The spelling of 2194874433 in words is "two billion, one hundred ninety-four million, eight hundred seventy-four thousand, four hundred thirty-three".

Divisors: 1 3 9 19 57 171 12835523 38506569 115519707 243874937 731624811 2194874433