Search a number
-
+
1906925 = 5283919
BaseRepresentation
bin111010001100011101101
310120212210212
413101203231
5442010200
6104512205
722131356
oct7214355
93525725
101906925
111092779
1277b665
13519c77
14378d2d
1527a035
hex1d18ed

1906925 has 12 divisors (see below), whose sum is σ = 2395680. Its totient is φ = 1505520.

The previous prime is 1906909. The next prime is 1906963. The reversal of 1906925 is 5296091.

It is not a de Polignac number, because 1906925 - 24 = 1906909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1906891 and 1906900.

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, 1616 + ... + 2534.

It is an arithmetic number, because the mean of its divisors is an integer number (199640).

21906925 is an apocalyptic number.

It is an amenable number.

1906925 is a deficient number, since it is larger than the sum of its proper divisors (488755).

1906925 is an equidigital number, since it uses as much as digits as its factorization.

1906925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 1906925 is about 1380.9145520270. The cubic root of 1906925 is about 124.0065249775.

The spelling of 1906925 in words is "one million, nine hundred six thousand, nine hundred twenty-five".

Divisors: 1 5 25 83 415 919 2075 4595 22975 76277 381385 1906925