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224295643 = 11213142591
BaseRepresentation
bin11010101111001…
…11101011011011
3120122001101210001
431113213223123
5424404430033
634131233431
75362324105
oct1527475333
9518041701
10224295643
11105677700
1263148877
1337612a20
1421b08575
1514a57e7d
hexd5e7adb

224295643 has 12 divisors (see below), whose sum is σ = 265506304. Its totient is φ = 188218800.

The previous prime is 224295641. The next prime is 224295683. The reversal of 224295643 is 346592422.

It is not a de Polignac number, because 224295643 - 21 = 224295641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224295641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69723 + ... + 72868.

Almost surely, 2224295643 is an apocalyptic number.

224295643 is a deficient number, since it is larger than the sum of its proper divisors (41210661).

224295643 is a wasteful number, since it uses less digits than its factorization.

224295643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142626 (or 142615 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 224295643 is about 14976.5030297463. The cubic root of 224295643 is about 607.5848633048.

The spelling of 224295643 in words is "two hundred twenty-four million, two hundred ninety-five thousand, six hundred forty-three".

Divisors: 1 11 13 121 143 1573 142591 1568501 1853683 17253511 20390513 224295643