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255142751 is a prime number
BaseRepresentation
bin11110011010100…
…10101101011111
3122210002121001112
433031102231133
51010304032001
641152332235
76215451263
oct1715225537
9583077045
10255142751
11121026586
127154407b
1340b23456
1425c580a3
15175eccbb
hexf352b5f

255142751 has 2 divisors, whose sum is σ = 255142752. Its totient is φ = 255142750.

The previous prime is 255142739. The next prime is 255142763. The reversal of 255142751 is 157241552.

It is a balanced prime because it is at equal distance from previous prime (255142739) and next prime (255142763).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-255142751 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255142781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127571375 + 127571376.

It is an arithmetic number, because the mean of its divisors is an integer number (127571376).

Almost surely, 2255142751 is an apocalyptic number.

255142751 is a deficient number, since it is larger than the sum of its proper divisors (1).

255142751 is an equidigital number, since it uses as much as digits as its factorization.

255142751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14000, while the sum is 32.

The square root of 255142751 is about 15973.1885044909. The cubic root of 255142751 is about 634.2508792601.

The spelling of 255142751 in words is "two hundred fifty-five million, one hundred forty-two thousand, seven hundred fifty-one".