Search a number
-
+
28458417484 = 2271975159249
BaseRepresentation
bin11010100000010000…
…001111110101001100
32201110022112101201101
4122200100033311030
5431240323324414
621023522352444
72025140362120
oct324020176514
981408471641
1028458417484
11110840422a2
1256227bb724
1328b6ba3bb3
14153d7dd580
15b18618a74
hex6a040fd4c

28458417484 has 24 divisors (see below), whose sum is σ = 57205764000. Its totient is φ = 12134551296.

The previous prime is 28458417419. The next prime is 28458417499. The reversal of 28458417484 is 48471485482.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2574109 + ... + 2585140.

It is an arithmetic number, because the mean of its divisors is an integer number (2383573500).

Almost surely, 228458417484 is an apocalyptic number.

It is an amenable number.

28458417484 is an abundant number, since it is smaller than the sum of its proper divisors (28747346516).

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

28458417484 is a wasteful number, since it uses less digits than its factorization.

28458417484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159457 (or 5159455 counting only the distinct ones).

The product of its digits is 9175040, while the sum is 55.

The spelling of 28458417484 in words is "twenty-eight billion, four hundred fifty-eight million, four hundred seventeen thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 28 197 394 788 1379 2758 5516 5159249 10318498 20636996 36114743 72229486 144458972 1016372053 2032744106 4065488212 7114604371 14229208742 28458417484