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6490736 = 247217487
BaseRepresentation
bin11000110000101001110000
3110012202121122
4120300221300
53130200421
6351041412
7106112300
oct30605160
913182548
106490736
11373364a
122210268
131463495
14c0d600
158832ab
hex630a70

6490736 has 60 divisors (see below), whose sum is σ = 15521328. Its totient is φ = 2612736.

The previous prime is 6490733. The next prime is 6490739. The reversal of 6490736 is 6370946.

It is an interprime number because it is at equal distance from previous prime (6490733) and next prime (6490739).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6490696 and 6490705.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13085 + ... + 13571.

Almost surely, 26490736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6490736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7760664).

6490736 is an abundant number, since it is smaller than the sum of its proper divisors (9030592).

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

6490736 is a wasteful number, since it uses less digits than its factorization.

6490736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 6490736 is about 2547.6922891119. The cubic root of 6490736 is about 186.5368541907.

The spelling of 6490736 in words is "six million, four hundred ninety thousand, seven hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 17 28 34 49 56 68 98 112 119 136 196 238 272 392 476 487 784 833 952 974 1666 1904 1948 3332 3409 3896 6664 6818 7792 8279 13328 13636 16558 23863 27272 33116 47726 54544 57953 66232 95452 115906 132464 190904 231812 381808 405671 463624 811342 927248 1622684 3245368 6490736