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6241681 = 7187911
BaseRepresentation
bin10111110011110110010001
3102202002222101
4113303312101
53044213211
6341440401
7104024215
oct27636621
912662871
106241681
113583516
122110101
1313a7004
14b86945
158345c1
hex5f3d91

6241681 has 4 divisors (see below), whose sum is σ = 6329664. Its totient is φ = 6153700.

The previous prime is 6241679. The next prime is 6241687. The reversal of 6241681 is 1861426.

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 6241681 - 21 = 6241679 is a prime.

It is a super-2 number, since 2×62416812 = 77917163411522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6241687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43885 + ... + 44026.

It is an arithmetic number, because the mean of its divisors is an integer number (1582416).

Almost surely, 26241681 is an apocalyptic number.

It is an amenable number.

6241681 is a deficient number, since it is larger than the sum of its proper divisors (87983).

6241681 is an equidigital number, since it uses as much as digits as its factorization.

6241681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87982.

The product of its digits is 2304, while the sum is 28.

The square root of 6241681 is about 2498.3356459851. The cubic root of 6241681 is about 184.1198120900.

The spelling of 6241681 in words is "six million, two hundred forty-one thousand, six hundred eighty-one".

Divisors: 1 71 87911 6241681