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223421041 = 1006922189
BaseRepresentation
bin11010101000100…
…10001001110001
3120120101222001101
431110102021301
5424143433131
634100404401
75352022204
oct1524221161
9516358041
10223421041
1110512a598
12629a6701
13373978cc
142195b93b
1514933c61
hexd512271

223421041 has 4 divisors (see below), whose sum is σ = 223453300. Its totient is φ = 223388784.

The previous prime is 223421039. The next prime is 223421063. The reversal of 223421041 is 140124322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 102090816 + 121330225 = 10104^2 + 11015^2 .

It is a cyclic number.

It is not a de Polignac number, because 223421041 - 21 = 223421039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223421071) 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, 1026 + ... + 21163.

It is an arithmetic number, because the mean of its divisors is an integer number (55863325).

Almost surely, 2223421041 is an apocalyptic number.

It is an amenable number.

223421041 is a deficient number, since it is larger than the sum of its proper divisors (32259).

223421041 is a wasteful number, since it uses less digits than its factorization.

223421041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32258.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 223421041 is about 14947.2753704480. The cubic root of 223421041 is about 606.7941106420.

Adding to 223421041 its reverse (140124322), we get a palindrome (363545363).

The spelling of 223421041 in words is "two hundred twenty-three million, four hundred twenty-one thousand, forty-one".

Divisors: 1 10069 22189 223421041