Search a number
-
+
248420866 = 2306740499
BaseRepresentation
bin11101100111010…
…01101000000010
3122022110002100211
432303221220002
51002043431431
640352304334
76104354041
oct1663515002
9568402324
10248420866
11118255301
126b2420aa
133c60b9c5
1424dc8558
1516c212b1
hexece9a02

248420866 has 8 divisors (see below), whose sum is σ = 372762000. Its totient is φ = 124166868.

The previous prime is 248420833. The next prime is 248420869. The reversal of 248420866 is 668024842.

248420866 is digitally balanced in base 3, 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 not an unprimeable number, because it can be changed into a prime (248420869) 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, 14116 + ... + 26383.

It is an arithmetic number, because the mean of its divisors is an integer number (46595250).

Almost surely, 2248420866 is an apocalyptic number.

248420866 is a deficient number, since it is larger than the sum of its proper divisors (124341134).

248420866 is a wasteful number, since it uses less digits than its factorization.

248420866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43568.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 248420866 is about 15761.3725925124. The cubic root of 248420866 is about 628.6313329321.

The spelling of 248420866 in words is "two hundred forty-eight million, four hundred twenty thousand, eight hundred sixty-six".

Divisors: 1 2 3067 6134 40499 80998 124210433 248420866