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93344221 = 109856369
BaseRepresentation
bin1011001000001…
…01000111011101
320111122101012101
411210011013131
5142344003341
613132405101
72212261405
oct544050735
9214571171
1093344221
1148765993
1227316791
1316453189
14c57b805
1582dc831
hex59051dd

93344221 has 4 divisors (see below), whose sum is σ = 94200700. Its totient is φ = 92487744.

The previous prime is 93344203. The next prime is 93344231. The reversal of 93344221 is 12244339.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12244339 = 20036113.

It can be written as a sum of positive squares in 2 ways, for example, as 25100100 + 68244121 = 5010^2 + 8261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-93344221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93344221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93344201) 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, 428076 + ... + 428293.

It is an arithmetic number, because the mean of its divisors is an integer number (23550175).

Almost surely, 293344221 is an apocalyptic number.

It is an amenable number.

93344221 is a deficient number, since it is larger than the sum of its proper divisors (856479).

93344221 is a wasteful number, since it uses less digits than its factorization.

93344221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856478.

The product of its digits is 5184, while the sum is 28.

The square root of 93344221 is about 9661.4813046447. The cubic root of 93344221 is about 453.6237786365.

It can be divided in two parts, 933 and 44221, that added together give a palindrome (45154).

The spelling of 93344221 in words is "ninety-three million, three hundred forty-four thousand, two hundred twenty-one".

Divisors: 1 109 856369 93344221