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224049493 = 317227403
BaseRepresentation
bin11010101101010…
…11100101010101
3120121120220010101
431112223211111
5424324040433
634122054101
75360250343
oct1526534525
9517526111
10224049493
11105519778
126304a331
1337557985
1421a82993
1514a0a07d
hexd5ab955

224049493 has 4 divisors (see below), whose sum is σ = 231276928. Its totient is φ = 216822060.

The previous prime is 224049473. The next prime is 224049499. The reversal of 224049493 is 394940422.

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 de Polignac number, because none of the positive numbers 2k-224049493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224049499) 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, 3613671 + ... + 3613732.

It is an arithmetic number, because the mean of its divisors is an integer number (57819232).

Almost surely, 2224049493 is an apocalyptic number.

It is an amenable number.

224049493 is a deficient number, since it is larger than the sum of its proper divisors (7227435).

224049493 is an equidigital number, since it uses as much as digits as its factorization.

224049493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7227434.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 224049493 is about 14968.2829008541. The cubic root of 224049493 is about 607.3625202175.

The spelling of 224049493 in words is "two hundred twenty-four million, forty-nine thousand, four hundred ninety-three".

Divisors: 1 31 7227403 224049493