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6398049 = 371991531
BaseRepresentation
bin11000011010000001100001
3110001001110210
4120122001201
53114214144
6345044333
7105245130
oct30320141
913031423
106398049
11367aa49
1221866a9
131430238
14bc7917
15865ab9
hex61a061

6398049 has 16 divisors (see below), whose sum is σ = 9804800. Its totient is φ = 3635280.

The previous prime is 6398017. The next prime is 6398057. The reversal of 6398049 is 9408936.

It is not a de Polignac number, because 6398049 - 25 = 6398017 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

6398049 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6397998 and 6398016.

It is not an unprimeable number, because it can be changed into a prime (6398149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3414 + ... + 4944.

It is an arithmetic number, because the mean of its divisors is an integer number (612800).

Almost surely, 26398049 is an apocalyptic number.

It is an amenable number.

6398049 is a deficient number, since it is larger than the sum of its proper divisors (3406751).

6398049 is a wasteful number, since it uses less digits than its factorization.

6398049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 6398049 is about 2529.4364985111. The cubic root of 6398049 is about 185.6446853025.

The spelling of 6398049 in words is "six million, three hundred ninety-eight thousand, forty-nine".

Divisors: 1 3 7 21 199 597 1393 1531 4179 4593 10717 32151 304669 914007 2132683 6398049