Search a number
-
+
25206214 = 2117914503
BaseRepresentation
bin110000000100…
…1110111000110
31202102121102111
41200021313012
522423044324
62300131234
7424151335
oct140116706
952377374
1025206214
1113256890
128536b1a
1352b7027
1434c1d1c
15232d794
hex1809dc6

25206214 has 16 divisors (see below), whose sum is σ = 41771520. Its totient is φ = 11311560.

The previous prime is 25206197. The next prime is 25206277. The reversal of 25206214 is 41260252.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5514 + ... + 8989.

It is an arithmetic number, because the mean of its divisors is an integer number (2610720).

Almost surely, 225206214 is an apocalyptic number.

25206214 is a deficient number, since it is larger than the sum of its proper divisors (16565306).

25206214 is a wasteful number, since it uses less digits than its factorization.

25206214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14595.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 25206214 is about 5020.5790502690. The cubic root of 25206214 is about 293.2035379043.

Adding to 25206214 its reverse (41260252), we get a palindrome (66466466).

The spelling of 25206214 in words is "twenty-five million, two hundred six thousand, two hundred fourteen".

Divisors: 1 2 11 22 79 158 869 1738 14503 29006 159533 319066 1145737 2291474 12603107 25206214