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352123381 is a prime number
BaseRepresentation
bin10100111111001…
…111100111110101
3220112120201110201
4110333033213311
51210120422011
654535120501
711503666531
oct2477174765
9815521421
10352123381
11170845565
1299b13131
1357c4a83c
1434aa0bc1
1520da7cc1
hex14fcf9f5

352123381 has 2 divisors, whose sum is σ = 352123382. Its totient is φ = 352123380.

The previous prime is 352123351. The next prime is 352123459. The reversal of 352123381 is 183321253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343509156 + 8614225 = 18534^2 + 2935^2 .

It is a cyclic number.

It is not a de Polignac number, because 352123381 - 219 = 351599093 is a prime.

It is a super-2 number, since 2×3521233812 = 247981750893742322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (352123351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176061690 + 176061691.

It is an arithmetic number, because the mean of its divisors is an integer number (176061691).

Almost surely, 2352123381 is an apocalyptic number.

It is an amenable number.

352123381 is a deficient number, since it is larger than the sum of its proper divisors (1).

352123381 is an equidigital number, since it uses as much as digits as its factorization.

352123381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 352123381 is about 18764.9508659096. The cubic root of 352123381 is about 706.1521532443.

The spelling of 352123381 in words is "three hundred fifty-two million, one hundred twenty-three thousand, three hundred eighty-one".