Search a number
-
+
255098880 = 215325173
BaseRepresentation
bin11110011010010…
…00000000000000
3122210000100212200
433031020000000
51010301131010
641151353200
76215206341
oct1715100000
9583010780
10255098880
11120aa6623
1271522800
1340b094aa
1425c460c8
15175decc0
hexf348000

255098880 has 192 divisors, whose sum is σ = 889441020. Its totient is φ = 67633152.

The previous prime is 255098873. The next prime is 255098881. The reversal of 255098880 is 88890552.

255098880 is a `hidden beast` number, since 2 + 550 + 98 + 8 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 247873536 + 7225344 = 15744^2 + 2688^2 .

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (255098881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1474474 + ... + 1474646.

Almost surely, 2255098880 is an apocalyptic number.

255098880 is a gapful number since it is divisible by the number (20) 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 255098880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444720510).

255098880 is an abundant number, since it is smaller than the sum of its proper divisors (634342140).

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

255098880 is an equidigital number, since it uses as much as digits as its factorization.

255098880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The square root of 255098880 is about 15971.8151754896. The cubic root of 255098880 is about 634.2145246897.

It can be divided in two parts, 25 and 5098880, that added together give a palindrome (5098905).

The spelling of 255098880 in words is "two hundred fifty-five million, ninety-eight thousand, eight hundred eighty".