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40748241 = 313582747
BaseRepresentation
bin1001101101110…
…0010011010001
32211200020002010
42123130103101
540412420431
64013213133
71003232352
oct233342321
984606063
1040748241
1121001836
12117911a9
1385992b1
1455a9d29
15389d846
hex26dc4d1

40748241 has 4 divisors (see below), whose sum is σ = 54330992. Its totient is φ = 27165492.

The previous prime is 40748237. The next prime is 40748243. The reversal of 40748241 is 14284704.

40748241 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 not a de Polignac number, because 40748241 - 22 = 40748237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40748199 and 40748208.

It is not an unprimeable number, because it can be changed into a prime (40748243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6791371 + ... + 6791376.

It is an arithmetic number, because the mean of its divisors is an integer number (13582748).

Almost surely, 240748241 is an apocalyptic number.

It is an amenable number.

40748241 is a deficient number, since it is larger than the sum of its proper divisors (13582751).

40748241 is a wasteful number, since it uses less digits than its factorization.

40748241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13582750.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 40748241 is about 6383.4348904019. The cubic root of 40748241 is about 344.1144860736.

The spelling of 40748241 in words is "forty million, seven hundred forty-eight thousand, two hundred forty-one".

Divisors: 1 3 13582747 40748241