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4107025 = 521312637
BaseRepresentation
bin1111101010101100010001
321201122210001
433222230101
52022411100
6224010001
746623556
oct17525421
97648701
104107025
11235573a
121460901
13b0a4c0
1478ca2d
15561d6a
hex3eab11

4107025 has 12 divisors (see below), whose sum is σ = 5484892. Its totient is φ = 3032640.

The previous prime is 4107007. The next prime is 4107029. The reversal of 4107025 is 5207014.

It can be written as a sum of positive squares in 6 ways, for example, as 1203409 + 2903616 = 1097^2 + 1704^2 .

It is not a de Polignac number, because 4107025 - 27 = 4106897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4106993 and 4107011.

It is not an unprimeable number, because it can be changed into a prime (4107029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5994 + ... + 6643.

Almost surely, 24107025 is an apocalyptic number.

It is an amenable number.

4107025 is a deficient number, since it is larger than the sum of its proper divisors (1377867).

4107025 is a wasteful number, since it uses less digits than its factorization.

4107025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12660 (or 12655 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 4107025 is about 2026.5796308065. The cubic root of 4107025 is about 160.1434260801.

The spelling of 4107025 in words is "four million, one hundred seven thousand, twenty-five".

Divisors: 1 5 13 25 65 325 12637 63185 164281 315925 821405 4107025