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224323013 = 4115734849
BaseRepresentation
bin11010101111011…
…10010111000101
3120122002210022202
431113232113011
5424411314023
634132004245
75362466645
oct1527562705
9518083282
10224323013
11105696222
1263160685
1337622315
1421b14525
1514a61128
hexd5ee5c5

224323013 has 8 divisors (see below), whose sum is σ = 231264600. Its totient is φ = 217451520.

The previous prime is 224322997. The next prime is 224323019. The reversal of 224323013 is 310323422.

It can be written as a sum of positive squares in 4 ways, for example, as 19775809 + 204547204 = 4447^2 + 14302^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224323013 - 24 = 224322997 is a prime.

It is a super-2 number, since 2×2243230132 = 100641628322796338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224323019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10988 + ... + 23861.

It is an arithmetic number, because the mean of its divisors is an integer number (28908075).

Almost surely, 2224323013 is an apocalyptic number.

It is an amenable number.

224323013 is a deficient number, since it is larger than the sum of its proper divisors (6941587).

224323013 is a wasteful number, since it uses less digits than its factorization.

224323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35047.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 224323013 is about 14977.4167665856. The cubic root of 224323013 is about 607.6095761067.

Adding to 224323013 its reverse (310323422), we get a palindrome (534646435).

The spelling of 224323013 in words is "two hundred twenty-four million, three hundred twenty-three thousand, thirteen".

Divisors: 1 41 157 6437 34849 1428809 5471293 224323013