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10221325 = 52478699
BaseRepresentation
bin100110111111…
…011100001101
3201020022000121
4212333130031
510104040300
61003024541
7152610532
oct46773415
921208017
1010221325
115851484
12350b151
13216b52a
141500d89
15d6d81a
hex9bf70d

10221325 has 12 divisors (see below), whose sum is σ = 12945600. Its totient is φ = 8002160.

The previous prime is 10221293. The next prime is 10221347. The reversal of 10221325 is 52312201.

It is not a de Polignac number, because 10221325 - 25 = 10221293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10221299 and 10221308.

It is a congruent 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, 3175 + ... + 5524.

It is an arithmetic number, because the mean of its divisors is an integer number (1078800).

Almost surely, 210221325 is an apocalyptic number.

It is an amenable number.

10221325 is a deficient number, since it is larger than the sum of its proper divisors (2724275).

10221325 is an equidigital number, since it uses as much as digits as its factorization.

10221325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8756 (or 8751 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10221325 is about 3197.0806996383. The cubic root of 10221325 is about 217.0213192331.

Adding to 10221325 its reverse (52312201), we get a palindrome (62533526).

The spelling of 10221325 in words is "ten million, two hundred twenty-one thousand, three hundred twenty-five".

Divisors: 1 5 25 47 235 1175 8699 43495 217475 408853 2044265 10221325