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5051449 = 13388573
BaseRepresentation
bin10011010001010000111001
3100111122021201
4103101100321
52243121244
6300134201
760636154
oct23212071
910448251
105051449
112940257
121837361
13107b330
14956c9b
1569bad4
hex4d1439

5051449 has 4 divisors (see below), whose sum is σ = 5440036. Its totient is φ = 4662864.

The previous prime is 5051447. The next prime is 5051503. The reversal of 5051449 is 9441505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9441505 = 51888301.

It can be written as a sum of positive squares in 2 ways, for example, as 2229049 + 2822400 = 1493^2 + 1680^2 .

It is a cyclic number.

It is not a de Polignac number, because 5051449 - 21 = 5051447 is a prime.

It is a Duffinian number.

5051449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5051443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194274 + ... + 194299.

It is an arithmetic number, because the mean of its divisors is an integer number (1360009).

Almost surely, 25051449 is an apocalyptic number.

It is an amenable number.

5051449 is a deficient number, since it is larger than the sum of its proper divisors (388587).

5051449 is a wasteful number, since it uses less digits than its factorization.

5051449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388586.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5051449 is about 2247.5428805698. The cubic root of 5051449 is about 171.5821047478.

The spelling of 5051449 in words is "five million, fifty-one thousand, four hundred forty-nine".

Divisors: 1 13 388573 5051449