Search a number
-
+
2555640224 = 255913110333
BaseRepresentation
bin1001100001010011…
…1111100110100000
320121002212222022122
42120110333212200
520213220441344
61101332123412
7120221404064
oct23024774640
96532788278
102555640224
1110a1657365
125b3a66568
13319610b67
141a35b5aa4
15ee56baee
hex9853f9a0

2555640224 has 48 divisors (see below), whose sum is σ = 5156252640. Its totient is φ = 1246452480.

The previous prime is 2555640133. The next prime is 2555640247. The reversal of 2555640224 is 4220465552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242162 + ... + 252494.

It is an arithmetic number, because the mean of its divisors is an integer number (107421930).

Almost surely, 22555640224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555640224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2578126320).

2555640224 is an abundant number, since it is smaller than the sum of its proper divisors (2600612416).

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

2555640224 is a wasteful number, since it uses less digits than its factorization.

2555640224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533 (or 10525 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 2555640224 is about 50553.3403841922. The cubic root of 2555640224 is about 1367.2037419025.

The spelling of 2555640224 in words is "two billion, five hundred fifty-five million, six hundred forty thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 32 59 118 131 236 262 472 524 944 1048 1888 2096 4192 7729 10333 15458 20666 30916 41332 61832 82664 123664 165328 247328 330656 609647 1219294 1353623 2438588 2707246 4877176 5414492 9754352 10828984 19508704 21657968 43315936 79863757 159727514 319455028 638910056 1277820112 2555640224