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6898061 = 12595479
BaseRepresentation
bin11010010100000110001101
3110222110100202
4122110012031
53231214221
6403503245
7112426652
oct32240615
913873322
106898061
113991685
122387b25
1315769c1
14cb7c29
15913d0b
hex69418d

6898061 has 4 divisors (see below), whose sum is σ = 6904800. Its totient is φ = 6891324.

The previous prime is 6898051. The next prime is 6898069. The reversal of 6898061 is 1608986.

6898061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1608986 = 2804493.

It is a cyclic number.

It is not a de Polignac number, because 6898061 - 218 = 6635917 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6898069) 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, 1481 + ... + 3998.

It is an arithmetic number, because the mean of its divisors is an integer number (1726200).

Almost surely, 26898061 is an apocalyptic number.

It is an amenable number.

6898061 is a deficient number, since it is larger than the sum of its proper divisors (6739).

6898061 is a wasteful number, since it uses less digits than its factorization.

6898061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 6898061 is about 2626.4159990375. The cubic root of 6898061 is about 190.3599915495.

The spelling of 6898061 in words is "six million, eight hundred ninety-eight thousand, sixty-one".

Divisors: 1 1259 5479 6898061