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6272081 = 61229449
BaseRepresentation
bin10111111011010001010001
3102210122200022
4113323101101
53101201311
6342233225
7104211644
oct27732121
912718608
106272081
1135a4342
122125815
1313b7aba
14b93a5b
1583d5db
hex5fb451

6272081 has 8 divisors (see below), whose sum is σ = 6417000. Its totient is φ = 6128640.

The previous prime is 6272051. The next prime is 6272107. The reversal of 6272081 is 1802726.

It can be written as a sum of positive squares in 4 ways, for example, as 982081 + 5290000 = 991^2 + 2300^2 .

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 6272081 - 26 = 6272017 is a prime.

It is a super-2 number, since 2×62720812 = 78678000141122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6272081.

It is not an unprimeable number, because it can be changed into a prime (6272051) 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 7 ways as a sum of consecutive naturals, for example, 13745 + ... + 14193.

It is an arithmetic number, because the mean of its divisors is an integer number (802125).

Almost surely, 26272081 is an apocalyptic number.

6272081 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6272081 is a deficient number, since it is larger than the sum of its proper divisors (144919).

6272081 is a wasteful number, since it uses less digits than its factorization.

6272081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 6272081 is about 2504.4123063106. The cubic root of 6272081 is about 184.4182455678.

The spelling of 6272081 in words is "six million, two hundred seventy-two thousand, eighty-one".

Divisors: 1 61 229 449 13969 27389 102821 6272081