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381495353 is a prime number
BaseRepresentation
bin10110101111010…
…010100000111001
3222120211222020112
4112233102200321
51240130322403
6101504434105
712311441231
oct2657224071
9876758215
10381495353
11186387118
12a7918935
13610629c5
1438948cc1
152375a9d8
hex16bd2839

381495353 has 2 divisors, whose sum is σ = 381495354. Its totient is φ = 381495352.

The previous prime is 381495341. The next prime is 381495371. The reversal of 381495353 is 353594183.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377602624 + 3892729 = 19432^2 + 1973^2 .

It is a cyclic number.

It is not a de Polignac number, because 381495353 - 24 = 381495337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 381495353.

It is not a weakly prime, because it can be changed into another prime (381495953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190747676 + 190747677.

It is an arithmetic number, because the mean of its divisors is an integer number (190747677).

Almost surely, 2381495353 is an apocalyptic number.

It is an amenable number.

381495353 is a deficient number, since it is larger than the sum of its proper divisors (1).

381495353 is an equidigital number, since it uses as much as digits as its factorization.

381495353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 41.

The square root of 381495353 is about 19531.9060257825. The cubic root of 381495353 is about 725.2644951715.

The spelling of 381495353 in words is "three hundred eighty-one million, four hundred ninety-five thousand, three hundred fifty-three".