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504325221 = 31394092957
BaseRepresentation
bin11110000011110…
…110010001100101
31022010222101010220
4132003312101211
52013101401341
6122013234553
715332456631
oct3603662145
91263871126
10504325221
11239751004
12120a92a59
138063a9ba
144ad9ddc1
152e41ea66
hex1e0f6465

504325221 has 16 divisors (see below), whose sum is σ = 679156800. Its totient is φ = 332869248.

The previous prime is 504325139. The next prime is 504325229. The reversal of 504325221 is 122523405.

It is not a de Polignac number, because 504325221 - 217 = 504194149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 504325191 and 504325200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504325229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169075 + ... + 172031.

It is an arithmetic number, because the mean of its divisors is an integer number (42447300).

Almost surely, 2504325221 is an apocalyptic number.

It is an amenable number.

504325221 is a deficient number, since it is larger than the sum of its proper divisors (174831579).

504325221 is a wasteful number, since it uses less digits than its factorization.

504325221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 504325221 is about 22457.1863999033. The cubic root of 504325221 is about 795.9825784467.

Adding to 504325221 its reverse (122523405), we get a palindrome (626848626).

The spelling of 504325221 in words is "five hundred four million, three hundred twenty-five thousand, two hundred twenty-one".

Divisors: 1 3 139 409 417 1227 2957 8871 56851 170553 411023 1209413 1233069 3628239 168108407 504325221