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223245083 = 628735509
BaseRepresentation
bin11010100111001…
…11001100011011
3120120002000200102
431103213030123
5424122320313
634052530015
75350360205
oct1523471433
9516060612
10223245083
1110501a376
126292090b
13373357a9
1421913775
15148eba58
hexd4e731b

223245083 has 4 divisors (see below), whose sum is σ = 223286880. Its totient is φ = 223203288.

The previous prime is 223245049. The next prime is 223245089. The reversal of 223245083 is 380542322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380542322 = 2190271161.

It is a cyclic number.

It is not a de Polignac number, because 223245083 - 212 = 223240987 is a prime.

It is a super-3 number, since 3×2232450833 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223245089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11468 + ... + 24041.

It is an arithmetic number, because the mean of its divisors is an integer number (55821720).

Almost surely, 2223245083 is an apocalyptic number.

223245083 is a deficient number, since it is larger than the sum of its proper divisors (41797).

223245083 is an equidigital number, since it uses as much as digits as its factorization.

223245083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41796.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 223245083 is about 14941.3882554467. The cubic root of 223245083 is about 606.6347727400.

The spelling of 223245083 in words is "two hundred twenty-three million, two hundred forty-five thousand, eighty-three".

Divisors: 1 6287 35509 223245083