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1030225 = 5272292
BaseRepresentation
bin11111011100001010001
31221100012111
43323201101
5230431400
634025321
711520400
oct3734121
91840174
101030225
11644029
12418241
132a0c01
141cb637
151553ba
hexfb851

1030225 has 27 divisors (see below), whose sum is σ = 1539057. Its totient is φ = 682080.

The previous prime is 1030219. The next prime is 1030241. The reversal of 1030225 is 5220301.

Adding to 1030225 its reverse (5220301), we get a palindrome (6250526).

The square root of 1030225 is 1015.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 14161 + 1016064 = 119^2 + 1008^2 .

It is not a de Polignac number, because 1030225 - 213 = 1022033 is a prime.

It is a super-2 number, since 2×10302252 = 2122727101250, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 35511 + ... + 35539.

21030225 is an apocalyptic number.

1030225 is the 1015-th square number.

1030225 is the 508-th centered octagonal number.

It is an amenable number.

1030225 is a deficient number, since it is larger than the sum of its proper divisors (508832).

1030225 is an equidigital number, since it uses as much as digits as its factorization.

1030225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The cubic root of 1030225 is about 100.9975165223.

The spelling of 1030225 in words is "one million, thirty thousand, two hundred twenty-five".

Divisors: 1 5 7 25 29 35 49 145 175 203 245 725 841 1015 1225 1421 4205 5075 5887 7105 21025 29435 35525 41209 147175 206045 1030225