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3440240141 = 13264633857
BaseRepresentation
bin1100110100001101…
…1110011000001101
322212202102022021112
43031003132120031
524021200141031
61325212141405
7151152362432
oct31503363015
98782368245
103440240141
111505a20378
12800167865
1342a974a70
14248c83b89
1515205562b
hexcd0de60d

3440240141 has 4 divisors (see below), whose sum is σ = 3704874012. Its totient is φ = 3175606272.

The previous prime is 3440240137. The next prime is 3440240189. The reversal of 3440240141 is 1410420443.

It is a happy number.

3440240141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 903002500 + 2537237641 = 30050^2 + 50371^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440240141 - 22 = 3440240137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440240641) 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, 132316916 + ... + 132316941.

It is an arithmetic number, because the mean of its divisors is an integer number (926218503).

Almost surely, 23440240141 is an apocalyptic number.

It is an amenable number.

3440240141 is a deficient number, since it is larger than the sum of its proper divisors (264633871).

3440240141 is a wasteful number, since it uses less digits than its factorization.

3440240141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264633870.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 3440240141 is about 58653.5603437677. The cubic root of 3440240141 is about 1509.6035889084.

Adding to 3440240141 its reverse (1410420443), we get a palindrome (4850660584).

The spelling of 3440240141 in words is "three billion, four hundred forty million, two hundred forty thousand, one hundred forty-one".

Divisors: 1 13 264633857 3440240141