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255488256 = 2836372
BaseRepresentation
bin11110011101001…
…11000100000000
3122210202011000000
433032213010000
51010401111011
641204000000
76221420502
oct1716470400
9583664000
10255488256
11121242121
1271690000
1340c147aa
1425d07d72
151766a356
hexf3a7100

255488256 has 189 divisors, whose sum is σ = 785841861. Its totient is φ = 82861056.

The previous prime is 255488243. The next prime is 255488263. The reversal of 255488256 is 652884552.

It is a happy number.

The square root of 255488256 is 15984.

It is a perfect power (a square), and thus also a powerful number.

255488256 is a `hidden beast` number, since 25 + 548 + 82 + 5 + 6 = 666.

255488256 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in only one way, i.e., 228614400 + 26873856 = 15120^2 + 5184^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 6905070 + ... + 6905106.

Almost surely, 2255488256 is an apocalyptic number.

255488256 is the 15984-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255488256

255488256 is an abundant number, since it is smaller than the sum of its proper divisors (530353605).

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

255488256 is an frugal number, since it uses more digits than its factorization.

255488256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 42 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The cubic root of 255488256 is about 634.5370432576.

The spelling of 255488256 in words is "two hundred fifty-five million, four hundred eighty-eight thousand, two hundred fifty-six".