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6255985 = 54130517
BaseRepresentation
bin10111110111010101110001
3102202211121011
4113313111301
53100142420
6342030521
7104114011
oct27672561
912684534
106255985
11359323a
122118441
1313b0688
14b8bc41
1583895a
hex5f7571

6255985 has 8 divisors (see below), whose sum is σ = 7690536. Its totient is φ = 4882560.

The previous prime is 6255943. The next prime is 6255989. The reversal of 6255985 is 5895526.

It can be written as a sum of positive squares in 4 ways, for example, as 667489 + 5588496 = 817^2 + 2364^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-6255985 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6255989) 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, 15054 + ... + 15463.

It is an arithmetic number, because the mean of its divisors is an integer number (961317).

Almost surely, 26255985 is an apocalyptic number.

It is an amenable number.

6255985 is a deficient number, since it is larger than the sum of its proper divisors (1434551).

6255985 is a wasteful number, since it uses less digits than its factorization.

6255985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30563.

The product of its digits is 108000, while the sum is 40.

The square root of 6255985 is about 2501.1967135753. The cubic root of 6255985 is about 184.2603533167.

The spelling of 6255985 in words is "six million, two hundred fifty-five thousand, nine hundred eighty-five".

Divisors: 1 5 41 205 30517 152585 1251197 6255985