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6326881 = 11718101
BaseRepresentation
bin11000001000101001100001
3102220102211221
4120020221201
53104430011
6343335041
7104530501
oct30105141
912812757
106326881
113631530
122151481
131406a22
14ba9a01
1584e971
hex608a61

6326881 has 8 divisors (see below), whose sum is σ = 7000128. Its totient is φ = 5670000.

The previous prime is 6326869. The next prime is 6326893. The reversal of 6326881 is 1886236.

It is an interprime number because it is at equal distance from previous prime (6326869) and next prime (6326893).

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

It is a 4-Lehmer number, since φ(6326881) divides (6326881-1)4.

It is a cyclic number.

It is not a de Polignac number, because 6326881 - 25 = 6326849 is a prime.

It is a super-2 number, since 2×63268812 = 80058846376322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6326861) 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, 3270 + ... + 4831.

It is an arithmetic number, because the mean of its divisors is an integer number (875016).

Almost surely, 26326881 is an apocalyptic number.

6326881 is the 1345-th centered heptagonal number.

It is an amenable number.

6326881 is a deficient number, since it is larger than the sum of its proper divisors (673247).

6326881 is a wasteful number, since it uses less digits than its factorization.

6326881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8183.

The product of its digits is 13824, while the sum is 34.

The square root of 6326881 is about 2515.3292031064. The cubic root of 6326881 is about 184.9537844138.

The spelling of 6326881 in words is "six million, three hundred twenty-six thousand, eight hundred eighty-one".

Divisors: 1 11 71 781 8101 89111 575171 6326881