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255132304 = 247191131061
BaseRepresentation
bin11110011010100…
…00001010010000
3122210002001201121
433031100022100
51010303213204
641152212024
76215405650
oct1715201220
9583061647
10255132304
11121019749
127153a014
1340b1b77b
1425c54360
15175e9b54
hexf350290

255132304 has 80 divisors (see below), whose sum is σ = 600497280. Its totient is φ = 102574080.

The previous prime is 255132259. The next prime is 255132331. The reversal of 255132304 is 403231552.

255132304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239934 + ... + 240994.

It is an arithmetic number, because the mean of its divisors is an integer number (7506216).

Almost surely, 2255132304 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 255132304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300248640).

255132304 is an abundant number, since it is smaller than the sum of its proper divisors (345364976).

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

255132304 is a wasteful number, since it uses less digits than its factorization.

255132304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 255132304 is about 15972.8614844054. The cubic root of 255132304 is about 634.2422225253.

Adding to 255132304 its reverse (403231552), we get a palindrome (658363856).

The spelling of 255132304 in words is "two hundred fifty-five million, one hundred thirty-two thousand, three hundred four".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 113 133 152 226 266 304 452 532 791 904 1061 1064 1582 1808 2122 2128 2147 3164 4244 4294 6328 7427 8488 8588 12656 14854 15029 16976 17176 20159 29708 30058 34352 40318 59416 60116 80636 118832 119893 120232 141113 161272 239786 240464 282226 322544 479572 564452 839251 959144 1128904 1678502 1918288 2257808 2277967 3357004 4555934 6714008 9111868 13428016 15945769 18223736 31891538 36447472 63783076 127566152 255132304