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2246081 = 6136821
BaseRepresentation
bin1000100100010111000001
311020010001012
420210113001
51033333311
6120050305
725043225
oct10442701
94203035
102246081
1112a4572
12903995
13608456
14426785
152e578b
hex2245c1

2246081 has 4 divisors (see below), whose sum is σ = 2282964. Its totient is φ = 2209200.

The previous prime is 2246077. The next prime is 2246099. The reversal of 2246081 is 1806422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1806422 = 2903211.

It can be written as a sum of positive squares in 2 ways, for example, as 330625 + 1915456 = 575^2 + 1384^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246081 - 22 = 2246077 is a prime.

It is a super-2 number, since 2×22460812 = 10089759717122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2246051) 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, 18350 + ... + 18471.

It is an arithmetic number, because the mean of its divisors is an integer number (570741).

22246081 is an apocalyptic number.

It is an amenable number.

2246081 is a deficient number, since it is larger than the sum of its proper divisors (36883).

2246081 is an equidigital number, since it uses as much as digits as its factorization.

2246081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36882.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2246081 is about 1498.6930973351. The cubic root of 2246081 is about 130.9609463446.

The spelling of 2246081 in words is "two million, two hundred forty-six thousand, eighty-one".

Divisors: 1 61 36821 2246081