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5215625 = 551669
BaseRepresentation
bin10011111001010110001001
3100210222111022
4103321112021
52313400000
6303442225
762221622
oct23712611
910728438
105215625
112a42638
1218b6375
131107c8c
1499aa49
156d0585
hex4f9589

5215625 has 12 divisors (see below), whose sum is σ = 6523020. Its totient is φ = 4170000.

The previous prime is 5215619. The next prime is 5215643. The reversal of 5215625 is 5265125.

It can be written as a sum of positive squares in 6 ways, for example, as 4239481 + 976144 = 2059^2 + 988^2 .

It is not a de Polignac number, because 5215625 - 28 = 5215369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5215594 and 5215603.

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, 2291 + ... + 3959.

It is an arithmetic number, because the mean of its divisors is an integer number (543585).

Almost surely, 25215625 is an apocalyptic number.

It is an amenable number.

5215625 is a deficient number, since it is larger than the sum of its proper divisors (1307395).

5215625 is an frugal number, since it uses more digits than its factorization.

5215625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 1674 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 5215625 is about 2283.7742883219. The cubic root of 5215625 is about 173.4211730160.

The spelling of 5215625 in words is "five million, two hundred fifteen thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 1669 3125 8345 41725 208625 1043125 5215625