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255311450 = 2525106229
BaseRepresentation
bin11110011011110…
…11111001011010
3122210102011110122
433031323321122
51010324431300
641200113242
76220053152
oct1715737132
9583364418
10255311450
111211312a9
1271605822
1340b82184
1425c9d762
1517632c85
hexf37be5a

255311450 has 12 divisors (see below), whose sum is σ = 474879390. Its totient is φ = 102124560.

The previous prime is 255311449. The next prime is 255311453. The reversal of 255311450 is 54113552.

It can be written as a sum of positive squares in 3 ways, for example, as 161976529 + 93334921 = 12727^2 + 9661^2 .

It is a super-2 number, since 2×2553114502 = 130367873002205000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255311453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2553065 + ... + 2553164.

Almost surely, 2255311450 is an apocalyptic number.

255311450 is a deficient number, since it is larger than the sum of its proper divisors (219567940).

255311450 is a wasteful number, since it uses less digits than its factorization.

255311450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106241 (or 5106236 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 255311450 is about 15978.4683245923. The cubic root of 255311450 is about 634.3906362069.

The spelling of 255311450 in words is "two hundred fifty-five million, three hundred eleven thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 5106229 10212458 25531145 51062290 127655725 255311450