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5423291449 = 736432
BaseRepresentation
bin1010000110100000…
…01101110000111001
3111222221212202021021
411003100031300321
542101330311244
62254051542441
7251252134222
oct50320156071
914887782237
105423291449
112333341154
1210742baa21
136857667c4
143963aa249
1521b1bb284
hex14340dc39

5423291449 has 3 divisors (see below), whose sum is σ = 5423365093. Its totient is φ = 5423217806.

The previous prime is 5423291443. The next prime is 5423291459. The reversal of 5423291449 is 9441923245.

The square root of 5423291449 is 73643.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 5423291449 - 29 = 5423290937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5423291443) 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, 36822 + ... + 110464.

Almost surely, 25423291449 is an apocalyptic number.

5423291449 is the 73643-rd square number.

5423291449 is the 36822-nd centered octagonal number.

It is an amenable number.

5423291449 is a deficient number, since it is larger than the sum of its proper divisors (73644).

5423291449 is an frugal number, since it uses more digits than its factorization.

5423291449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147286 (or 73643 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The cubic root of 5423291449 is about 1756.9294180020.

The spelling of 5423291449 in words is "five billion, four hundred twenty-three million, two hundred ninety-one thousand, four hundred forty-nine".

Divisors: 1 73643 5423291449