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255134149 is a prime number
BaseRepresentation
bin11110011010100…
…00100111000101
3122210002011020221
433031100213011
51010303243044
641152224341
76215414224
oct1715204705
9583064227
10255134149
11121020076
127153b0b1
1340b1c56a
1425c54cbb
15175ea484
hexf3509c5

255134149 has 2 divisors, whose sum is σ = 255134150. Its totient is φ = 255134148.

The previous prime is 255134063. The next prime is 255134177. The reversal of 255134149 is 941431552.

255134149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246176100 + 8958049 = 15690^2 + 2993^2 .

It is a cyclic number.

It is not a de Polignac number, because 255134149 - 221 = 253036997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255134449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127567074 + 127567075.

It is an arithmetic number, because the mean of its divisors is an integer number (127567075).

Almost surely, 2255134149 is an apocalyptic number.

It is an amenable number.

255134149 is a deficient number, since it is larger than the sum of its proper divisors (1).

255134149 is an equidigital number, since it uses as much as digits as its factorization.

255134149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 255134149 is about 15972.9192385112. The cubic root of 255134149 is about 634.2437513714.

The spelling of 255134149 in words is "two hundred fifty-five million, one hundred thirty-four thousand, one hundred forty-nine".