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248193111 = 3584314159
BaseRepresentation
bin11101100101100…
…10000001010111
3122022000111221110
432302302001113
51002014134421
640343350103
76102415035
oct1662620127
9568014843
10248193111
1111810a181
126b152333
133c55c13a
1424d69555
1516bc8a76
hexecb2057

248193111 has 8 divisors (see below), whose sum is σ = 331004160. Its totient is φ = 165422072.

The previous prime is 248193097. The next prime is 248193133. The reversal of 248193111 is 111391842.

248193111 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 248193111 - 211 = 248191063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248193191) 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, 10450 + ... + 24608.

It is an arithmetic number, because the mean of its divisors is an integer number (41375520).

Almost surely, 2248193111 is an apocalyptic number.

248193111 is a deficient number, since it is larger than the sum of its proper divisors (82811049).

248193111 is a wasteful number, since it uses less digits than its factorization.

248193111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20005.

The product of its digits is 1728, while the sum is 30.

The square root of 248193111 is about 15754.1458353032. The cubic root of 248193111 is about 628.4391621370.

The spelling of 248193111 in words is "two hundred forty-eight million, one hundred ninety-three thousand, one hundred eleven".

Divisors: 1 3 5843 14159 17529 42477 82731037 248193111