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801008269 is a prime number
BaseRepresentation
bin101111101111100…
…110101010001101
32001211020102202221
4233233212222031
53120024231034
6211252215341
725564313035
oct5757465215
92054212687
10801008269
1138116a406
121a430a551
13c9c46ab9
147854c8c5
154a4c5bb4
hex2fbe6a8d

801008269 has 2 divisors, whose sum is σ = 801008270. Its totient is φ = 801008268.

The previous prime is 801008231. The next prime is 801008279. The reversal of 801008269 is 962800108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 799475625 + 1532644 = 28275^2 + 1238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-801008269 is a prime.

It is a super-2 number, since 2×8010082692 = 1283228494012752722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801008279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400504134 + 400504135.

It is an arithmetic number, because the mean of its divisors is an integer number (400504135).

Almost surely, 2801008269 is an apocalyptic number.

It is an amenable number.

801008269 is a deficient number, since it is larger than the sum of its proper divisors (1).

801008269 is an equidigital number, since it uses as much as digits as its factorization.

801008269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 801008269 is about 28302.0894811673. The cubic root of 801008269 is about 928.7076005055.

The spelling of 801008269 in words is "eight hundred one million, eight thousand, two hundred sixty-nine".