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4400095681 = 6836442307
BaseRepresentation
bin1000001100100010…
…00010000111000001
3102100122120000112201
410012101002013001
533002411030211
62004341153201
7214016124202
oct40621020701
912318500481
104400095681
111958815013
12a296bb801
13551797717
142da5415a9
151ab4570c1
hex1064421c1

4400095681 has 4 divisors (see below), whose sum is σ = 4406538672. Its totient is φ = 4393652692.

The previous prime is 4400095657. The next prime is 4400095691. The reversal of 4400095681 is 1865900044.

It is a happy number.

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 4400095681 - 221 = 4397998529 is a prime.

It is a super-2 number, since 2×44000956812 = 38721684003909707522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4400095681.

It is not an unprimeable number, because it can be changed into a prime (4400095621) 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, 3220471 + ... + 3221836.

It is an arithmetic number, because the mean of its divisors is an integer number (1101634668).

Almost surely, 24400095681 is an apocalyptic number.

It is an amenable number.

4400095681 is a deficient number, since it is larger than the sum of its proper divisors (6442991).

4400095681 is an equidigital number, since it uses as much as digits as its factorization.

4400095681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6442990.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 4400095681 is about 66333.2170258612. The cubic root of 4400095681 is about 1638.6544189150.

The spelling of 4400095681 in words is "four billion, four hundred million, ninety-five thousand, six hundred eighty-one".

Divisors: 1 683 6442307 4400095681