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6268081 = 19329899
BaseRepresentation
bin10111111010010010110001
3102210110012011
4113322102301
53101034311
6342202521
7104164201
oct27722261
912713164
106268081
1135a1336
122123441
1313b6031
14b92401
1583c321
hex5fa4b1

6268081 has 4 divisors (see below), whose sum is σ = 6598000. Its totient is φ = 5938164.

The previous prime is 6268063. The next prime is 6268091. The reversal of 6268081 is 1808626.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6268081 - 25 = 6268049 is a prime.

It is a super-2 number, since 2×62680812 = 78577678845122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6268021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164931 + ... + 164968.

It is an arithmetic number, because the mean of its divisors is an integer number (1649500).

Almost surely, 26268081 is an apocalyptic number.

It is an amenable number.

6268081 is a deficient number, since it is larger than the sum of its proper divisors (329919).

6268081 is a wasteful number, since it uses less digits than its factorization.

6268081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329918.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 6268081 is about 2503.6135883958. The cubic root of 6268081 is about 184.3790331781.

The spelling of 6268081 in words is "six million, two hundred sixty-eight thousand, eighty-one".

Divisors: 1 19 329899 6268081