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404225224 = 231326914449
BaseRepresentation
bin11000000101111…
…111110011001000
31001011121202202121
4120011333303020
51311440201344
6104035541024
713005600124
oct3005776310
91034552677
10404225224
111981a1437
12b345a774
1365990830
143b984584
152574a684
hex1817fcc8

404225224 has 32 divisors (see below), whose sum is σ = 819315000. Its totient is φ = 185859072.

The previous prime is 404225219. The next prime is 404225233. The reversal of 404225224 is 422522404.

It can be written as a sum of positive squares in 4 ways, for example, as 305620324 + 98604900 = 17482^2 + 9930^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20752 + ... + 35200.

Almost surely, 2404225224 is an apocalyptic number.

It is an amenable number.

404225224 is an abundant number, since it is smaller than the sum of its proper divisors (415089776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404225224 is a wasteful number, since it uses less digits than its factorization.

404225224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14737 (or 14733 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 404225224 is about 20105.3531180131. The cubic root of 404225224 is about 739.3915280598.

Adding to 404225224 its reverse (422522404), we get a palindrome (826747628).

The spelling of 404225224 in words is "four hundred four million, two hundred twenty-five thousand, two hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 269 538 1076 2152 3497 6994 13988 14449 27976 28898 57796 115592 187837 375674 751348 1502696 3886781 7773562 15547124 31094248 50528153 101056306 202112612 404225224