Search a number
-
+
25300806 = 234216801
BaseRepresentation
bin110000010000…
…0111101000110
31202121102011220
41200200331012
522434111211
62302141210
7425024166
oct140407506
952542156
1025300806
1113310963
128581806
13531b0bb
1435085a6
15234b806
hex1820f46

25300806 has 8 divisors (see below), whose sum is σ = 50601624. Its totient is φ = 8433600.

The previous prime is 25300703. The next prime is 25300823. The reversal of 25300806 is 60800352.

It is a sphenic number, since it is the product of 3 distinct primes.

25300806 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2108395 + ... + 2108406.

It is an arithmetic number, because the mean of its divisors is an integer number (6325203).

Almost surely, 225300806 is an apocalyptic number.

25300806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25300806 is a wasteful number, since it uses less digits than its factorization.

25300806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216806.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 25300806 is about 5029.9906560549. The cubic root of 25300806 is about 293.5698508516.

It can be divided in two parts, 25300 and 806, that added together give a triangular number (26106 = T228).

The spelling of 25300806 in words is "twenty-five million, three hundred thousand, eight hundred six".

Divisors: 1 2 3 6 4216801 8433602 12650403 25300806