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224123061 = 3531409579
BaseRepresentation
bin11010101101111…
…01100010110101
3120121201122001010
431112331202311
5424333414221
634123422433
75361005001
oct1526754265
9517648033
10224123061
11105569a78
1263084a19
13375822c6
1421aa1701
1514a21c76
hexd5bd8b5

224123061 has 8 divisors (see below), whose sum is σ = 304469280. Its totient is φ = 146596112.

The previous prime is 224123051. The next prime is 224123099. The reversal of 224123061 is 160321422.

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 224123061 - 222 = 219928757 is a prime.

It is a super-2 number, since 2×2241230612 = 100462292944019442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224123041) 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, 704631 + ... + 704948.

It is an arithmetic number, because the mean of its divisors is an integer number (38058660).

Almost surely, 2224123061 is an apocalyptic number.

It is an amenable number.

224123061 is a deficient number, since it is larger than the sum of its proper divisors (80346219).

224123061 is a wasteful number, since it uses less digits than its factorization.

224123061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409635.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 224123061 is about 14970.7401620628. The cubic root of 224123061 is about 607.4289899896.

Adding to 224123061 its reverse (160321422), we get a palindrome (384444483).

The spelling of 224123061 in words is "two hundred twenty-four million, one hundred twenty-three thousand, sixty-one".

Divisors: 1 3 53 159 1409579 4228737 74707687 224123061