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252782477 is a prime number
BaseRepresentation
bin11110001000100…
…10011110001101
3122121122200100222
433010102132031
51004203014402
641030001125
76156421103
oct1704223615
9577580328
10252782477
1111a764242
12707a61a5
13404a803c
1425801c73
15172d37a2
hexf11278d

252782477 has 2 divisors, whose sum is σ = 252782478. Its totient is φ = 252782476.

The previous prime is 252782461. The next prime is 252782501. The reversal of 252782477 is 774287252.

252782477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229492201 + 23290276 = 15149^2 + 4826^2 .

It is a cyclic number.

It is not a de Polignac number, because 252782477 - 24 = 252782461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252782407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126391238 + 126391239.

It is an arithmetic number, because the mean of its divisors is an integer number (126391239).

Almost surely, 2252782477 is an apocalyptic number.

It is an amenable number.

252782477 is a deficient number, since it is larger than the sum of its proper divisors (1).

252782477 is an equidigital number, since it uses as much as digits as its factorization.

252782477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 439040, while the sum is 44.

The square root of 252782477 is about 15899.1344732976. The cubic root of 252782477 is about 632.2890416987.

The spelling of 252782477 in words is "two hundred fifty-two million, seven hundred eighty-two thousand, four hundred seventy-seven".