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224942401 = 659341339
BaseRepresentation
bin11010110100001…
…01100101000001
3120200021020222001
431122011211001
5430041124101
634153144001
75400656515
oct1532054501
9520236861
10224942401
11105a79612
12633bb001
13377ab218
1421c36145
1514b34901
hexd685941

224942401 has 4 divisors (see below), whose sum is σ = 225284400. Its totient is φ = 224600404.

The previous prime is 224942381. The next prime is 224942429. The reversal of 224942401 is 104249422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104249422 = 252124711.

It is a cyclic number.

It is not a de Polignac number, because 224942401 - 217 = 224811329 is a prime.

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 224942401.

It is not an unprimeable number, because it can be changed into a prime (224942491) 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, 170011 + ... + 171328.

It is an arithmetic number, because the mean of its divisors is an integer number (56321100).

Almost surely, 2224942401 is an apocalyptic number.

It is an amenable number.

224942401 is a deficient number, since it is larger than the sum of its proper divisors (341999).

224942401 is an equidigital number, since it uses as much as digits as its factorization.

224942401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341998.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 224942401 is about 14998.0799104419. The cubic root of 224942401 is about 608.1682945720.

The spelling of 224942401 in words is "two hundred twenty-four million, nine hundred forty-two thousand, four hundred one".

Divisors: 1 659 341339 224942401