Search a number
-
+
25906925 = 521194207
BaseRepresentation
bin110001011010…
…0111011101101
31210202012121202
41202310323231
523113010200
62323135245
7433130252
oct142647355
953665552
1025906925
1113695290
128814525
1354a0c55
143625429
15241b1d5
hex18b4eed

25906925 has 12 divisors (see below), whose sum is σ = 35045376. Its totient is φ = 18841200.

The previous prime is 25906913. The next prime is 25906927. The reversal of 25906925 is 52960952.

It is not a de Polignac number, because 25906925 - 220 = 24858349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25906927) 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, 46829 + ... + 47378.

It is an arithmetic number, because the mean of its divisors is an integer number (2920448).

Almost surely, 225906925 is an apocalyptic number.

25906925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25906925 is a deficient number, since it is larger than the sum of its proper divisors (9138451).

25906925 is a wasteful number, since it uses less digits than its factorization.

25906925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94228 (or 94223 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 25906925 is about 5089.8845762944. The cubic root of 25906925 is about 295.8956786321.

The spelling of 25906925 in words is "twenty-five million, nine hundred six thousand, nine hundred twenty-five".

Divisors: 1 5 11 25 55 275 94207 471035 1036277 2355175 5181385 25906925