Search a number
-
+
28548428376 = 23313531726441
BaseRepresentation
bin11010100101100111…
…100111001001011000
32201200120220102110010
4122211213213021120
5431431344202001
621040455521520
72030312431416
oct324547471130
981616812403
1028548428376
111111a930866
1256489892a0
1328cc72aa90
14154b7502b6
15b214988d6
hex6a59e7258

28548428376 has 64 divisors (see below), whose sum is σ = 78311409120. Its totient is φ = 8618388480.

The previous prime is 28548428329. The next prime is 28548428401. The reversal of 28548428376 is 67382484582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846685 + ... + 879756.

Almost surely, 228548428376 is an apocalyptic number.

28548428376 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28548428376 is an abundant number, since it is smaller than the sum of its proper divisors (49762980744).

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

28548428376 is a wasteful number, since it uses less digits than its factorization.

28548428376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726516 (or 1726512 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 57.

The spelling of 28548428376 in words is "twenty-eight billion, five hundred forty-eight million, four hundred twenty-eight thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 53 78 104 106 156 159 212 312 318 424 636 689 1272 1378 2067 2756 4134 5512 8268 16536 1726441 3452882 5179323 6905764 10358646 13811528 20717292 22443733 41434584 44887466 67331199 89774932 91501373 134662398 179549864 183002746 269324796 274504119 366005492 538649592 549008238 732010984 1098016476 1189517849 2196032952 2379035698 3568553547 4758071396 7137107094 9516142792 14274214188 28548428376