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530231225 = 5225184499
BaseRepresentation
bin11111100110101…
…010111110111001
31100221201112111112
4133212222332321
52041214344400
6124340410105
716065614426
oct3746527671
91327645445
10530231225
11252335627
121296a6935
1385b0b3b4
14505c4d4d
153183a835
hex1f9aafb9

530231225 has 12 divisors (see below), whose sum is σ = 660114000. Its totient is φ = 422490000.

The previous prime is 530231209. The next prime is 530231231. The reversal of 530231225 is 522132035.

It is not a de Polignac number, because 530231225 - 24 = 530231209 is a prime.

It is a super-2 number, since 2×5302312252 = 562290303930001250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 530231225.

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, 35975 + ... + 48524.

It is an arithmetic number, because the mean of its divisors is an integer number (55009500).

Almost surely, 2530231225 is an apocalyptic number.

It is an amenable number.

530231225 is a deficient number, since it is larger than the sum of its proper divisors (129882775).

530231225 is a wasteful number, since it uses less digits than its factorization.

530231225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84760 (or 84755 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 530231225 is about 23026.7502049247. The cubic root of 530231225 is about 809.3849036519.

The spelling of 530231225 in words is "five hundred thirty million, two hundred thirty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 251 1255 6275 84499 422495 2112475 21209249 106046245 530231225