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3444774394 = 21722387197
BaseRepresentation
bin1100110101010011…
…0001010111111010
322220001221200002211
43031110301113322
524023330240034
61325453245334
7151236046015
oct31524612772
98801850084
103444774394
111508537a96
1280179384a
1342b8a1859
1424970437c
1515264dd64
hexcd5315fa

3444774394 has 4 divisors (see below), whose sum is σ = 5167161594. Its totient is φ = 1722387196.

The previous prime is 3444774391. The next prime is 3444774433. The reversal of 3444774394 is 4934774443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4934774443 = 35313979531.

It can be written as a sum of positive squares in only one way, i.e., 3394577169 + 50197225 = 58263^2 + 7085^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3444774391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 861193597 + ... + 861193600.

Almost surely, 23444774394 is an apocalyptic number.

3444774394 is a deficient number, since it is larger than the sum of its proper divisors (1722387200).

3444774394 is a wasteful number, since it uses less digits than its factorization.

3444774394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722387199.

The product of its digits is 4064256, while the sum is 49.

The square root of 3444774394 is about 58692.2004528711. The cubic root of 3444774394 is about 1510.2665193345.

Adding to 3444774394 its sum of digits (49), we get a palindrome (3444774443).

The spelling of 3444774394 in words is "three billion, four hundred forty-four million, seven hundred seventy-four thousand, three hundred ninety-four".

Divisors: 1 2 1722387197 3444774394