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6648055 = 55325087
BaseRepresentation
bin11001010111000011110111
3110111202102021
4121113003313
53200214210
6354254011
7110336041
oct31270367
913452367
106648055
113830867
122287307
1314b9c7b
14c50a91
158b4bda
hex6570f7

6648055 has 8 divisors (see below), whose sum is σ = 8128512. Its totient is φ = 5217888.

The previous prime is 6648053. The next prime is 6648067. The reversal of 6648055 is 5508466.

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 6648055 - 21 = 6648053 is a prime.

It is a Duffinian number.

6648055 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6648055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6648053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12279 + ... + 12808.

It is an arithmetic number, because the mean of its divisors is an integer number (1016064).

Almost surely, 26648055 is an apocalyptic number.

6648055 is a deficient number, since it is larger than the sum of its proper divisors (1480457).

6648055 is a wasteful number, since it uses less digits than its factorization.

6648055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25145.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 6648055 is about 2578.3822447418. The cubic root of 6648055 is about 188.0319000494.

The spelling of 6648055 in words is "six million, six hundred forty-eight thousand, fifty-five".

Divisors: 1 5 53 265 25087 125435 1329611 6648055