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224144125 = 531793153
BaseRepresentation
bin11010101110000…
…10101011111101
3120121202200221021
431113002223331
5424340103000
634124104141
75361123262
oct1527025375
9517680837
10224144125
11105583887
1263095051
133758ba7a
1421aa9269
1514a2811a
hexd5c2afd

224144125 has 8 divisors (see below), whose sum is σ = 279732024. Its totient is φ = 179315200.

The previous prime is 224144087. The next prime is 224144147. The reversal of 224144125 is 521441422.

It can be written as a sum of positive squares in 4 ways, for example, as 8259876 + 215884249 = 2874^2 + 14693^2 .

It is not a de Polignac number, because 224144125 - 29 = 224143613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224144125.

It is a congruent number.

It is an unprimeable number.

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, 896452 + ... + 896701.

It is an arithmetic number, because the mean of its divisors is an integer number (34966503).

Almost surely, 2224144125 is an apocalyptic number.

224144125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224144125 is a deficient number, since it is larger than the sum of its proper divisors (55587899).

224144125 is an equidigital number, since it uses as much as digits as its factorization.

224144125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793168 (or 1793158 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 224144125 is about 14971.4436511647. The cubic root of 224144125 is about 607.4480189453.

Adding to 224144125 its reverse (521441422), we get a palindrome (745585547).

The spelling of 224144125 in words is "two hundred twenty-four million, one hundred forty-four thousand, one hundred twenty-five".

Divisors: 1 5 25 125 1793153 8965765 44828825 224144125