Cookie Consent by FreePrivacyPolicy.com
Search a number
-
+
28055834424 = 23322316941929
BaseRepresentation
bin11010001000010000…
…100000111100111000
32200102021000001120200
4122020100200330320
5424424243200144
620515541522200
72012151441432
oct321020407470
980367001520
1028055834424
1110997872722
12552ba13360
132851669977
141502165652
15ae30e4c69
hex688420f38

28055834424 has 48 divisors (see below), whose sum is σ = 79288232400. Its totient is φ = 8945337984.

The previous prime is 28055834419. The next prime is 28055834431. The reversal of 28055834424 is 42443855082.

28055834424 is a `hidden beast` number, since 2 + 8 + 0 + 5 + 583 + 44 + 24 = 666.

It is a super-3 number, since 3×280558344243 (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28055834424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8469309 + ... + 8472620.

It is an arithmetic number, because the mean of its divisors is an integer number (1651838175).

Almost surely, 228055834424 is an apocalyptic number.

28055834424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28055834424 is an abundant number, since it is smaller than the sum of its proper divisors (51232397976).

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

28055834424 is a wasteful number, since it uses less digits than its factorization.

28055834424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16941964 (or 16941957 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 45.

The spelling of 28055834424 in words is "twenty-eight billion, fifty-five million, eight hundred thirty-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 36 46 69 72 92 138 184 207 276 414 552 828 1656 16941929 33883858 50825787 67767716 101651574 135535432 152477361 203303148 304954722 389664367 406606296 609909444 779328734 1168993101 1219818888 1558657468 2337986202 3117314936 3506979303 4675972404 7013958606 9351944808 14027917212 28055834424