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6490899 = 322331357
BaseRepresentation
bin11000110000101100010011
3110012202211200
4120300230103
53130202044
6351042243
7106112622
oct30605423
913182750
106490899
113733788
122210383
13146358c
14c0d6b9
15883369
hex630b13

6490899 has 12 divisors (see below), whose sum is σ = 9783696. Its totient is φ = 4138992.

The previous prime is 6490879. The next prime is 6490903. The reversal of 6490899 is 9980946.

6490899 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6490899 - 28 = 6490643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6490879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15472 + ... + 15885.

It is an arithmetic number, because the mean of its divisors is an integer number (815308).

Almost surely, 26490899 is an apocalyptic number.

6490899 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

6490899 is a deficient number, since it is larger than the sum of its proper divisors (3292797).

6490899 is a wasteful number, since it uses less digits than its factorization.

6490899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31386 (or 31383 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 6490899 is about 2547.7242786456. The cubic root of 6490899 is about 186.5384156598.

The spelling of 6490899 in words is "six million, four hundred ninety thousand, eight hundred ninety-nine".

Divisors: 1 3 9 23 69 207 31357 94071 282213 721211 2163633 6490899