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223141969 is a prime number
BaseRepresentation
bin11010100110011…
…10000001010001
3120112212210020101
431103032001101
5424111020334
634050412401
75346450451
oct1523160121
9515783211
10223141969
11104a59956
1262891101
13372ca88b
14218c7d61
15148cb214
hexd4ce051

223141969 has 2 divisors, whose sum is σ = 223141970. Its totient is φ = 223141968.

The previous prime is 223141879. The next prime is 223141987. The reversal of 223141969 is 969141322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170041600 + 53100369 = 13040^2 + 7287^2 .

It is a cyclic number.

It is not a de Polignac number, because 223141969 - 217 = 223010897 is a prime.

It is a super-3 number, since 3×2231419693 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is equal to p12286099 and since 223141969 and 12286099 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (223141169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111570984 + 111570985.

It is an arithmetic number, because the mean of its divisors is an integer number (111570985).

Almost surely, 2223141969 is an apocalyptic number.

It is an amenable number.

223141969 is a deficient number, since it is larger than the sum of its proper divisors (1).

223141969 is an equidigital number, since it uses as much as digits as its factorization.

223141969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 223141969 is about 14937.9372404626. The cubic root of 223141969 is about 606.5413594528.

The spelling of 223141969 in words is "two hundred twenty-three million, one hundred forty-one thousand, nine hundred sixty-nine".