Search a number
-
+
8027404823 = 231791949819
BaseRepresentation
bin1110111100111100…
…00111101000010111
3202201102222102020202
413132132013220113
5112420003423243
63404315051115
7402632546414
oct73636075027
922642872222
108027404823
11344a296069
121680440a9b
139ac119aa9
1456219d10b
1531eb104b8
hex1de787a17

8027404823 has 8 divisors (see below), whose sum is σ = 8423222400. Its totient is φ = 7635487288.

The previous prime is 8027404817. The next prime is 8027404841. The reversal of 8027404823 is 3284047208.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8027404823 - 224 = 8010627607 is a prime.

It is a super-2 number, since 2×80274048232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8027404873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970793 + ... + 979026.

It is an arithmetic number, because the mean of its divisors is an integer number (1052902800).

Almost surely, 28027404823 is an apocalyptic number.

8027404823 is a deficient number, since it is larger than the sum of its proper divisors (395817577).

8027404823 is a wasteful number, since it uses less digits than its factorization.

8027404823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950021.

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 8027404823 is about 89595.7857435270. The cubic root of 8027404823 is about 2002.2811324781.

The spelling of 8027404823 in words is "eight billion, twenty-seven million, four hundred four thousand, eight hundred twenty-three".

Divisors: 1 23 179 4117 1949819 44845837 349017601 8027404823