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223486164 = 223211564359
BaseRepresentation
bin11010101001000…
…10000011010100
3120120112021101100
431110202003110
5424203024124
634102030100
75352413106
oct1524420324
9516467340
10223486164
11105174510
1262a18330
13373bb445
1421977576
15149481c9
hexd5220d4

223486164 has 36 divisors (see below), whose sum is σ = 616281120. Its totient is φ = 67722960.

The previous prime is 223486129. The next prime is 223486169. The reversal of 223486164 is 461684322.

223486164 is a `hidden beast` number, since 2 + 2 + 34 + 8 + 616 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223486169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281784 + ... + 282575.

It is an arithmetic number, because the mean of its divisors is an integer number (17118920).

Almost surely, 2223486164 is an apocalyptic number.

It is an amenable number.

223486164 is an abundant number, since it is smaller than the sum of its proper divisors (392794956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223486164 is a wasteful number, since it uses less digits than its factorization.

223486164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564380 (or 564375 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 223486164 is about 14949.4536355012. The cubic root of 223486164 is about 606.8530612432.

The spelling of 223486164 in words is "two hundred twenty-three million, four hundred eighty-six thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 564359 1128718 1693077 2257436 3386154 5079231 6207949 6772308 10158462 12415898 18623847 20316924 24831796 37247694 55871541 74495388 111743082 223486164