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150025 = 5217353
BaseRepresentation
bin100100101000001001
321121210111
4210220021
514300100
63114321
71163251
oct445011
9247714
10150025
11a2797
12729a1
1353395
143c961
152e6ba
hex24a09

150025 has 12 divisors (see below), whose sum is σ = 197532. Its totient is φ = 112640.

The previous prime is 150011. The next prime is 150041. The reversal of 150025 is 520051.

It can be written as a sum of positive squares in 6 ways, for example, as 256 + 149769 = 16^2 + 387^2 .

It is not a de Polignac number, because 150025 - 25 = 149993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149987 and 150014.

It is a congruent number.

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, 249 + ... + 601.

It is an arithmetic number, because the mean of its divisors is an integer number (16461).

2150025 is an apocalyptic number.

It is an amenable number.

150025 is a deficient number, since it is larger than the sum of its proper divisors (47507).

150025 is a wasteful number, since it uses less digits than its factorization.

150025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 150025 is about 387.3306081373. The cubic root of 150025 is about 53.1358801245.

Adding to 150025 its reverse (520051), we get a palindrome (670076).

The spelling of 150025 in words is "one hundred fifty thousand, twenty-five".

Divisors: 1 5 17 25 85 353 425 1765 6001 8825 30005 150025