Search a number
-
+
25206468 = 22371092753
BaseRepresentation
bin110000000100…
…1111011000100
31202102121202220
41200021323010
522423101333
62300132340
7424152150
oct140117304
952377686
1025206468
1113256aa1
1285370b0
1352b7191
1434c2060
15232d8b3
hex1809ec4

25206468 has 48 divisors (see below), whose sum is σ = 67858560. Its totient is φ = 7133184.

The previous prime is 25206457. The next prime is 25206487. The reversal of 25206468 is 86460252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7780 + ... + 10532.

It is an arithmetic number, because the mean of its divisors is an integer number (1413720).

Almost surely, 225206468 is an apocalyptic number.

25206468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25206468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33929280).

25206468 is an abundant number, since it is smaller than the sum of its proper divisors (42652092).

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

25206468 is a wasteful number, since it uses less digits than its factorization.

25206468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 25206468 is about 5020.6043460922. The cubic root of 25206468 is about 293.2045227600.

The spelling of 25206468 in words is "twenty-five million, two hundred six thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 109 218 327 436 654 763 1308 1526 2289 2753 3052 4578 5506 8259 9156 11012 16518 19271 33036 38542 57813 77084 115626 231252 300077 600154 900231 1200308 1800462 2100539 3600924 4201078 6301617 8402156 12603234 25206468