Search a number
-
+
3151025 = 52126041
BaseRepresentation
bin1100000001010010110001
312221002101122
430001102301
51301313100
6151312025
735532443
oct14012261
95832348
103151025
111862459
12107b615
13864317
145c0493
15423985
hex3014b1

3151025 has 6 divisors (see below), whose sum is σ = 3907302. Its totient is φ = 2520800.

The previous prime is 3151007. The next prime is 3151033. The reversal of 3151025 is 5201513.

It can be written as a sum of positive squares in 3 ways, for example, as 1100401 + 2050624 = 1049^2 + 1432^2 .

It is not a de Polignac number, because 3151025 - 28 = 3150769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3150994 and 3151012.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62996 + ... + 63045.

It is an arithmetic number, because the mean of its divisors is an integer number (651217).

Almost surely, 23151025 is an apocalyptic number.

It is an amenable number.

3151025 is a deficient number, since it is larger than the sum of its proper divisors (756277).

3151025 is a wasteful number, since it uses less digits than its factorization.

3151025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126051 (or 126046 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 3151025 is about 1775.1126724803. The cubic root of 3151025 is about 146.6056191068.

Adding to 3151025 its reverse (5201513), we get a palindrome (8352538).

The spelling of 3151025 in words is "three million, one hundred fifty-one thousand, twenty-five".

Divisors: 1 5 25 126041 630205 3151025