Search a number
-
+
25530064 = 247227947
BaseRepresentation
bin110000101100…
…0111011010000
31210001001122221
41201120323100
523013430224
62311110424
7430000450
oct141307320
953031587
1025530064
111345812a
128672414
13539b561
143567d60
1523946e4
hex1858ed0

25530064 has 20 divisors (see below), whose sum is σ = 56531104. Its totient is φ = 10941408.

The previous prime is 25530061. The next prime is 25530083. The reversal of 25530064 is 46003552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25530061) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 113862 + ... + 114085.

Almost surely, 225530064 is an apocalyptic number.

It is an amenable number.

25530064 is an abundant number, since it is smaller than the sum of its proper divisors (31001040).

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

25530064 is a wasteful number, since it uses less digits than its factorization.

25530064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227962 (or 227956 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 25530064 is about 5052.7283718799. The cubic root of 25530064 is about 294.4538934299.

The spelling of 25530064 in words is "twenty-five million, five hundred thirty thousand, sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 227947 455894 911788 1595629 1823576 3191258 3647152 6382516 12765032 25530064