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3748741921 = 15443242747
BaseRepresentation
bin1101111101110001…
…0100001100100001
3100200020220211011101
43133130110030201
530134134220141
61415552314401
7161616531511
oct33734241441
910606824141
103748741921
111654081321
12887542a01
1347985b4b2
14277c2b841
1516e193531
hexdf714321

3748741921 has 4 divisors (see below), whose sum is σ = 3749000112. Its totient is φ = 3748483732.

The previous prime is 3748741907. The next prime is 3748741937. The reversal of 3748741921 is 1291478473.

3748741921 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, 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 3748741921 - 27 = 3748741793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3748741951) 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, 105931 + ... + 136816.

It is an arithmetic number, because the mean of its divisors is an integer number (937250028).

Almost surely, 23748741921 is an apocalyptic number.

It is an amenable number.

3748741921 is a deficient number, since it is larger than the sum of its proper divisors (258191).

3748741921 is a wasteful number, since it uses less digits than its factorization.

3748741921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258190.

The product of its digits is 338688, while the sum is 46.

The square root of 3748741921 is about 61226.9705358676. The cubic root of 3748741921 is about 1553.4424938124.

The spelling of 3748741921 in words is "three billion, seven hundred forty-eight million, seven hundred forty-one thousand, nine hundred twenty-one".

Divisors: 1 15443 242747 3748741921