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223052347 = 7311027891
BaseRepresentation
bin11010100101110…
…00001000111011
3120112201020022001
431102320020323
5424100133342
634044441431
75345625250
oct1522701073
9515636261
10223052347
111049a8591
1262849277
1337298b4b
14218a3427
15148ae8b7
hexd4b823b

223052347 has 8 divisors (see below), whose sum is σ = 263140352. Its totient is φ = 185020200.

The previous prime is 223052329. The next prime is 223052351. The reversal of 223052347 is 743250322.

223052347 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 a de Polignac number, because none of the positive numbers 2k-223052347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223052387) 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, 513729 + ... + 514162.

It is an arithmetic number, because the mean of its divisors is an integer number (32892544).

Almost surely, 2223052347 is an apocalyptic number.

223052347 is a deficient number, since it is larger than the sum of its proper divisors (40088005).

223052347 is a wasteful number, since it uses less digits than its factorization.

223052347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027929.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 223052347 is about 14934.9371274204. The cubic root of 223052347 is about 606.4601454926.

The spelling of 223052347 in words is "two hundred twenty-three million, fifty-two thousand, three hundred forty-seven".

Divisors: 1 7 31 217 1027891 7195237 31864621 223052347