Search a number
-
+
255189600 = 25325223267
BaseRepresentation
bin11110011010111…
…10001001100000
3122210011222022200
433031132021200
51010312031400
641153333200
76216035001
oct1715361140
9583158280
10255189600
111210587a6
1271567200
1340b3b883
1425c6b1a8
151760bb00
hexf35e260

255189600 has 324 divisors, whose sum is σ = 954727956. Its totient is φ = 64120320.

The previous prime is 255189593. The next prime is 255189619. The reversal of 255189600 is 6981552.

It is a happy number.

255189600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 3808767 + ... + 3808833.

Almost surely, 2255189600 is an apocalyptic number.

255189600 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 255189600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477363978).

255189600 is an abundant number, since it is smaller than the sum of its proper divisors (699538356).

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

255189600 is a wasteful number, since it uses less digits than its factorization.

255189600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 255189600 is about 15974.6549258505. The cubic root of 255189600 is about 634.2896970079.

The spelling of 255189600 in words is "two hundred fifty-five million, one hundred eighty-nine thousand, six hundred".