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804127893 = 3268042631
BaseRepresentation
bin101111111011100…
…000010010010101
32002001002221002120
4233323200102111
53121324043033
6211443130153
725632655122
oct5773402225
92061087076
10804127893
11382a00208
121a5373959
13ca799a2a
1478b21749
154a8e01b3
hex2fee0495

804127893 has 4 divisors (see below), whose sum is σ = 1072170528. Its totient is φ = 536085260.

The previous prime is 804127873. The next prime is 804127913. The reversal of 804127893 is 398721408.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (804127873) and next prime (804127913).

It is a cyclic number.

It is not a de Polignac number, because 804127893 - 212 = 804123797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804127843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134021313 + ... + 134021318.

It is an arithmetic number, because the mean of its divisors is an integer number (268042632).

Almost surely, 2804127893 is an apocalyptic number.

It is an amenable number.

804127893 is a deficient number, since it is larger than the sum of its proper divisors (268042635).

804127893 is a wasteful number, since it uses less digits than its factorization.

804127893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268042634.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 804127893 is about 28357.1488870091. The cubic root of 804127893 is about 929.9116935461.

The spelling of 804127893 in words is "eight hundred four million, one hundred twenty-seven thousand, eight hundred ninety-three".

Divisors: 1 3 268042631 804127893