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801832249 is a prime number
BaseRepresentation
bin101111110010101…
…111110100111001
32001212210022001201
4233302233310321
53120232112444
6211322014201
725604314231
oct5762576471
92055708051
10801832249
11381682489
121a4647361
13ca174b6a
14786c4cc1
154a5d9dd4
hex2fcafd39

801832249 has 2 divisors, whose sum is σ = 801832250. Its totient is φ = 801832248.

The previous prime is 801832247. The next prime is 801832253. The reversal of 801832249 is 942238108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 693005625 + 108826624 = 26325^2 + 10432^2 .

It is a cyclic number.

It is not a de Polignac number, because 801832249 - 21 = 801832247 is a prime.

Together with 801832247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (801832247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400916124 + 400916125.

It is an arithmetic number, because the mean of its divisors is an integer number (400916125).

Almost surely, 2801832249 is an apocalyptic number.

It is an amenable number.

801832249 is a deficient number, since it is larger than the sum of its proper divisors (1).

801832249 is an equidigital number, since it uses as much as digits as its factorization.

801832249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 801832249 is about 28316.6426152537. The cubic root of 801832249 is about 929.0259385610.

The spelling of 801832249 in words is "eight hundred one million, eight hundred thirty-two thousand, two hundred forty-nine".