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255146112 = 273513631
BaseRepresentation
bin11110011010100…
…11100010000000
3122210002202200000
433031103202000
51010304133422
641152400000
76215464134
oct1715234200
9583082600
10255146112
11121029061
1271546000
1340b24b40
1425c593c4
15175edcac
hexf353880

255146112 has 192 divisors, whose sum is σ = 821271360. Its totient is φ = 78382080.

The previous prime is 255146083. The next prime is 255146113. The reversal of 255146112 is 211641552.

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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255146113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404037 + ... + 404667.

It is an arithmetic number, because the mean of its divisors is an integer number (4277455).

Almost surely, 2255146112 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 255146112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410635680).

255146112 is an abundant number, since it is smaller than the sum of its proper divisors (566125248).

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

255146112 is an equidigital number, since it uses as much as digits as its factorization.

255146112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 649 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 255146112 is about 15973.2937116927. The cubic root of 255146112 is about 634.2536642472.

Adding to 255146112 its reverse (211641552), we get a palindrome (466787664).

It can be divided in two parts, 25514 and 6112, that added together give a triangular number (31626 = T251).

The spelling of 255146112 in words is "two hundred fifty-five million, one hundred forty-six thousand, one hundred twelve".