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5121425 = 52204857
BaseRepresentation
bin10011100010010110010001
3100122012021102
4103202112101
52302341200
6301434145
761350161
oct23422621
910565242
105121425
112988891
12186b955
1310a413a
149745a1
156b26d5
hex4e2591

5121425 has 6 divisors (see below), whose sum is σ = 6350598. Its totient is φ = 4097120.

The previous prime is 5121421. The next prime is 5121439. The reversal of 5121425 is 5241215.

5121425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 256 + 5121169 = 16^2 + 2263^2 .

It is not a de Polignac number, because 5121425 - 22 = 5121421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5121397 and 5121406.

It is not an unprimeable number, because it can be changed into a prime (5121421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102404 + ... + 102453.

It is an arithmetic number, because the mean of its divisors is an integer number (1058433).

Almost surely, 25121425 is an apocalyptic number.

It is an amenable number.

5121425 is a deficient number, since it is larger than the sum of its proper divisors (1229173).

5121425 is a wasteful number, since it uses less digits than its factorization.

5121425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204867 (or 204862 counting only the distinct ones).

The product of its digits is 400, while the sum is 20.

The square root of 5121425 is about 2263.0565613789. The cubic root of 5121425 is about 172.3707636643.

The spelling of 5121425 in words is "five million, one hundred twenty-one thousand, four hundred twenty-five".

Divisors: 1 5 25 204857 1024285 5121425