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6320005 = 51774353
BaseRepresentation
bin11000000110111110000101
3102220002102021
4120012332011
53104220010
6343243141
7104501446
oct30067605
912802367
106320005
11362734a
1221494b1
131403863
14ba72cd
1584c8da
hex606f85

6320005 has 8 divisors (see below), whose sum is σ = 8030232. Its totient is φ = 4758528.

The previous prime is 6320003. The next prime is 6320023. The reversal of 6320005 is 5000236.

It can be written as a sum of positive squares in 4 ways, for example, as 1985281 + 4334724 = 1409^2 + 2082^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6320005 - 21 = 6320003 is a prime.

It is a Duffinian number.

6320005 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6320003) 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 7 ways as a sum of consecutive naturals, for example, 37092 + ... + 37261.

It is an arithmetic number, because the mean of its divisors is an integer number (1003779).

Almost surely, 26320005 is an apocalyptic number.

It is an amenable number.

6320005 is a deficient number, since it is larger than the sum of its proper divisors (1710227).

6320005 is a wasteful number, since it uses less digits than its factorization.

6320005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74375.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 6320005 is about 2513.9620124417. The cubic root of 6320005 is about 184.8867580646.

The spelling of 6320005 in words is "six million, three hundred twenty thousand, five".

Divisors: 1 5 17 85 74353 371765 1264001 6320005