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224513057 = 287977983
BaseRepresentation
bin11010110000111…
…00110000100001
3120122110110000102
431120130300201
5424433404212
634140032145
75364221006
oct1530346041
9518413012
10224513057
11105805a8a
1263232655
133768a982
1421b638ad
1514a9c5c2
hexd61cc21

224513057 has 4 divisors (see below), whose sum is σ = 224593920. Its totient is φ = 224432196.

The previous prime is 224513027. The next prime is 224513059. The reversal of 224513057 is 750315422.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 224513057 - 28 = 224512801 is a prime.

It is a super-2 number, since 2×2245130572 = 100812225526970498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224513059) 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, 36113 + ... + 41870.

It is an arithmetic number, because the mean of its divisors is an integer number (56148480).

Almost surely, 2224513057 is an apocalyptic number.

It is an amenable number.

224513057 is a deficient number, since it is larger than the sum of its proper divisors (80863).

224513057 is an equidigital number, since it uses as much as digits as its factorization.

224513057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80862.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 224513057 is about 14983.7597751699. The cubic root of 224513057 is about 607.7811144003.

Adding to 224513057 its reverse (750315422), we get a palindrome (974828479).

The spelling of 224513057 in words is "two hundred twenty-four million, five hundred thirteen thousand, fifty-seven".

Divisors: 1 2879 77983 224513057