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224475425 = 5261147197
BaseRepresentation
bin11010110000100…
…11100100100001
3120122101112101122
431120103210201
5424431203200
634135142025
75364003206
oct1530234441
9518345348
10224475425
1110578a789
1263214915
13376767c5
1421b53cad
1514a91385
hexd613921

224475425 has 12 divisors (see below), whose sum is σ = 282914556. Its totient is φ = 176635200.

The previous prime is 224475403. The next prime is 224475509. The reversal of 224475425 is 524574422.

It can be written as a sum of positive squares in 6 ways, for example, as 67699984 + 156775441 = 8228^2 + 12521^2 .

It is not a de Polignac number, because 224475425 - 220 = 223426849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72074 + ... + 75123.

It is an arithmetic number, because the mean of its divisors is an integer number (23576213).

Almost surely, 2224475425 is an apocalyptic number.

224475425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224475425 is a deficient number, since it is larger than the sum of its proper divisors (58439131).

224475425 is a wasteful number, since it uses less digits than its factorization.

224475425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147268 (or 147263 counting only the distinct ones).

The product of its digits is 89600, while the sum is 35.

The square root of 224475425 is about 14982.5039629563. The cubic root of 224475425 is about 607.7471545388.

It can be divided in two parts, 22447 and 5425, that added together give a palindrome (27872).

The spelling of 224475425 in words is "two hundred twenty-four million, four hundred seventy-five thousand, four hundred twenty-five".

Divisors: 1 5 25 61 305 1525 147197 735985 3679925 8979017 44895085 224475425