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881393 is a prime number
BaseRepresentation
bin11010111001011110001
31122210001012
43113023301
5211201033
630520305
710330442
oct3271361
91583035
10881393
11552227
12366095
1324b246
1418d2c9
15126248
hexd72f1

881393 has 2 divisors, whose sum is σ = 881394. Its totient is φ = 881392.

The previous prime is 881369. The next prime is 881407. The reversal of 881393 is 393188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 868624 + 12769 = 932^2 + 113^2 .

It is a cyclic number.

It is not a de Polignac number, because 881393 - 212 = 877297 is a prime.

It is not a weakly prime, because it can be changed into another prime (881333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440696 + 440697.

It is an arithmetic number, because the mean of its divisors is an integer number (440697).

2881393 is an apocalyptic number.

It is an amenable number.

881393 is a deficient number, since it is larger than the sum of its proper divisors (1).

881393 is an equidigital number, since it uses as much as digits as its factorization.

881393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 881393 is about 938.8253298671. The cubic root of 881393 is about 95.8789344835.

The spelling of 881393 in words is "eight hundred eighty-one thousand, three hundred ninety-three".