Search a number
-
+
28000426254 = 234666737709
BaseRepresentation
bin11010000100111101…
…001001100100001110
32200021101202000212020
4122010331021210032
5424321102120004
620510242151010
72010606460533
oct320475114416
980241660766
1028000426254
1110969568749
125515352466
132843039a78
1414d8a60d8a
15add2ec8d9
hex684f4990e

28000426254 has 8 divisors (see below), whose sum is σ = 56000852520. Its totient is φ = 9333475416.

The previous prime is 28000426253. The next prime is 28000426261. The reversal of 28000426254 is 45262400082.

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

28000426254 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28000426253) 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, 2333368849 + ... + 2333368860.

It is an arithmetic number, because the mean of its divisors is an integer number (7000106565).

Almost surely, 228000426254 is an apocalyptic number.

28000426254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28000426254 is a wasteful number, since it uses less digits than its factorization.

28000426254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666737714.

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 28000426254 in words is "twenty-eight billion, four hundred twenty-six thousand, two hundred fifty-four".

Divisors: 1 2 3 6 4666737709 9333475418 14000213127 28000426254