Search a number
-
+
9120625 = 5414593
BaseRepresentation
bin100010110010…
…101101110001
3122011101010221
4202302231301
54313330000
6523253041
7140344513
oct42625561
918141127
109120625
11516a508
12307a181
131b74527
1412d5bb3
15c0261a
hex8b2b71

9120625 has 10 divisors (see below), whose sum is σ = 11397914. Its totient is φ = 7296000.

The previous prime is 9120623. The next prime is 9120641. The reversal of 9120625 is 5260219.

9120625 is digitally balanced in base 2, 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 5 ways, for example, as 5793649 + 3326976 = 2407^2 + 1824^2 .

It is not a de Polignac number, because 9120625 - 21 = 9120623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9120625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9120623) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6672 + ... + 7921.

Almost surely, 29120625 is an apocalyptic number.

It is an amenable number.

9120625 is a deficient number, since it is larger than the sum of its proper divisors (2277289).

9120625 is an equidigital number, since it uses as much as digits as its factorization.

9120625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14613 (or 14598 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 9120625 is about 3020.0372514259. The cubic root of 9120625 is about 208.9335579342.

The spelling of 9120625 in words is "nine million, one hundred twenty thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 14593 72965 364825 1824125 9120625