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3748740893 = 5377769709
BaseRepresentation
bin1101111101110001…
…0011111100011101
3100200020220202202022
43133130103330131
530134134202033
61415552305525
7161616525512
oct33734237435
910606822668
103748740893
111654080577
128875422a5
1347985aba1
14277c2b309
1516e193098
hexdf713f1d

3748740893 has 4 divisors (see below), whose sum is σ = 3748864380. Its totient is φ = 3748617408.

The previous prime is 3748740871. The next prime is 3748740913. The reversal of 3748740893 is 3980478473.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3980478473 = 19209498867.

It can be written as a sum of positive squares in 2 ways, for example, as 55383364 + 3693357529 = 7442^2 + 60773^2 .

It is a cyclic number.

It is not a de Polignac number, because 3748740893 - 28 = 3748740637 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 (3748740493) 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, 18923 + ... + 88631.

It is an arithmetic number, because the mean of its divisors is an integer number (937216095).

Almost surely, 23748740893 is an apocalyptic number.

It is an amenable number.

3748740893 is a deficient number, since it is larger than the sum of its proper divisors (123487).

3748740893 is an equidigital number, since it uses as much as digits as its factorization.

3748740893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123486.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The square root of 3748740893 is about 61226.9621408739. The cubic root of 3748740893 is about 1553.4423518146.

The spelling of 3748740893 in words is "three billion, seven hundred forty-eight million, seven hundred forty thousand, eight hundred ninety-three".

Divisors: 1 53777 69709 3748740893