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248040041 = 1972717957
BaseRepresentation
bin11101100100011…
…00101001101001
3122021201201222012
432302030221221
51001444240131
640340205305
76101206544
oct1662145151
9567651865
10248040041
11118015177
126b099835
133c507572
1424d2985b
1516b9852b
hexec8ca69

248040041 has 8 divisors (see below), whose sum is σ = 261468480. Its totient is φ = 234649008.

The previous prime is 248040019. The next prime is 248040101. The reversal of 248040041 is 140040842.

248040041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248040041 - 26 = 248039977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248039989 and 248040016.

It is not an unprimeable number, because it can be changed into a prime (248040841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4835 + ... + 22791.

It is an arithmetic number, because the mean of its divisors is an integer number (32683560).

Almost surely, 2248040041 is an apocalyptic number.

It is an amenable number.

248040041 is a deficient number, since it is larger than the sum of its proper divisors (13428439).

248040041 is a wasteful number, since it uses less digits than its factorization.

248040041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18703.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 248040041 is about 15749.2869997343. The cubic root of 248040041 is about 628.3099415680.

Adding to 248040041 its reverse (140040842), we get a palindrome (388080883).

The spelling of 248040041 in words is "two hundred forty-eight million, forty thousand, forty-one".

Divisors: 1 19 727 13813 17957 341183 13054739 248040041