Search a number
-
+
2256338508 = 223188028209
BaseRepresentation
bin1000011001111100…
…1111111001001100
312211020200212112220
42012133033321030
514110110313013
61011521055340
7106625363244
oct20637177114
95736625486
102256338508
11a5870a576
1252b787550
1329c5c8b58
14175944b24
15d3149b23
hex867cfe4c

2256338508 has 12 divisors (see below), whose sum is σ = 5264789880. Its totient is φ = 752112832.

The previous prime is 2256338501. The next prime is 2256338509. The reversal of 2256338508 is 8058336522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2256338508.

It is not an unprimeable number, because it can be changed into a prime (2256338501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94014093 + ... + 94014116.

It is an arithmetic number, because the mean of its divisors is an integer number (438732490).

Almost surely, 22256338508 is an apocalyptic number.

It is an amenable number.

2256338508 is an abundant number, since it is smaller than the sum of its proper divisors (3008451372).

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

2256338508 is a wasteful number, since it uses less digits than its factorization.

2256338508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188028216 (or 188028214 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 2256338508 is about 47500.9316540213. The cubic root of 2256338508 is about 1311.6000316039.

The spelling of 2256338508 in words is "two billion, two hundred fifty-six million, three hundred thirty-eight thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 188028209 376056418 564084627 752112836 1128169254 2256338508