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223066645 = 5107416947
BaseRepresentation
bin11010100101110…
…11101000010101
3120112201221220121
431102323220111
5424101113040
634045031541
75346015034
oct1522735025
9515657817
10223066645
11104a082aa
12628555b1
13372a24c9
14218a871b
15148b3c4a
hexd4bba15

223066645 has 8 divisors (see below), whose sum is σ = 270182304. Its totient is φ = 176785104.

The previous prime is 223066621. The next prime is 223066661. The reversal of 223066645 is 546660322.

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 223066645 - 29 = 223066133 is a prime.

It is a super-2 number, since 2×2230666452 = 99517456223112050, which contains 22 as substring.

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 223066645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207939 + ... + 209008.

It is an arithmetic number, because the mean of its divisors is an integer number (33772788).

Almost surely, 2223066645 is an apocalyptic number.

It is an amenable number.

223066645 is a deficient number, since it is larger than the sum of its proper divisors (47115659).

223066645 is a wasteful number, since it uses less digits than its factorization.

223066645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417059.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 223066645 is about 14935.4157960199. The cubic root of 223066645 is about 606.4731035598.

The spelling of 223066645 in words is "two hundred twenty-three million, sixty-six thousand, six hundred forty-five".

Divisors: 1 5 107 535 416947 2084735 44613329 223066645