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5143449 = 31714483
BaseRepresentation
bin10011100111101110011001
3100200022111010
4103213232121
52304042244
6302124133
761501323
oct23475631
910608433
105143449
1129a3393
121880649
1310b117c
1497c613
156b8eb9
hex4e7b99

5143449 has 4 divisors (see below), whose sum is σ = 6857936. Its totient is φ = 3428964.

The previous prime is 5143447. The next prime is 5143451. The reversal of 5143449 is 9443415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (5143447) and next prime (5143451).

It is not a de Polignac number, because 5143449 - 21 = 5143447 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5143447) 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, 857239 + ... + 857244.

It is an arithmetic number, because the mean of its divisors is an integer number (1714484).

Almost surely, 25143449 is an apocalyptic number.

It is an amenable number.

5143449 is a deficient number, since it is larger than the sum of its proper divisors (1714487).

5143449 is a wasteful number, since it uses less digits than its factorization.

5143449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714486.

The product of its digits is 8640, while the sum is 30.

The square root of 5143449 is about 2267.9173265355. The cubic root of 5143449 is about 172.6174960904.

The spelling of 5143449 in words is "five million, one hundred forty-three thousand, four hundred forty-nine".

Divisors: 1 3 1714483 5143449