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6490734 = 231081789
BaseRepresentation
bin11000110000101001101110
3110012202121120
4120300221232
53130200414
6351041410
7106112265
oct30605156
913182546
106490734
113733648
122210266
131463493
14c0d5dc
158832a9
hex630a6e

6490734 has 8 divisors (see below), whose sum is σ = 12981480. Its totient is φ = 2163576.

The previous prime is 6490733. The next prime is 6490739. The reversal of 6490734 is 4370946.

It is a sphenic number, since it is the product of 3 distinct primes.

6490734 is an admirable number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6490695 and 6490704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540889 + ... + 540900.

It is an arithmetic number, because the mean of its divisors is an integer number (1622685).

Almost surely, 26490734 is an apocalyptic number.

6490734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6490734 is a wasteful number, since it uses less digits than its factorization.

6490734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081794.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 6490734 is about 2547.6918965997. The cubic root of 6490734 is about 186.5368350314.

The spelling of 6490734 in words is "six million, four hundred ninety thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 1081789 2163578 3245367 6490734