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15052225 = 5217107331
BaseRepresentation
bin111001011010…
…110111000001
31001022201202211
4321122313001
512323132400
61254342121
7241641016
oct71326701
931281684
1015052225
118550a61
12505a941
133170356
141ddb70d
1514c4dba
hexe5adc1

15052225 has 24 divisors (see below), whose sum is σ = 20007648. Its totient is φ = 11193600.

The previous prime is 15052217. The next prime is 15052231. The reversal of 15052225 is 52225051.

It is not a de Polignac number, because 15052225 - 23 = 15052217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15052196 and 15052205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45310 + ... + 45640.

It is an arithmetic number, because the mean of its divisors is an integer number (833652).

Almost surely, 215052225 is an apocalyptic number.

It is an amenable number.

15052225 is a deficient number, since it is larger than the sum of its proper divisors (4955423).

15052225 is a wasteful number, since it uses less digits than its factorization.

15052225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 15052225 is about 3879.7197063706. The cubic root of 15052225 is about 246.9070935150.

Adding to 15052225 its reverse (52225051), we get a palindrome (67277276).

The spelling of 15052225 in words is "fifteen million, fifty-two thousand, two hundred twenty-five".

Divisors: 1 5 17 25 85 107 331 425 535 1655 1819 2675 5627 8275 9095 28135 35417 45475 140675 177085 602089 885425 3010445 15052225