Search a number
-
+
28477038022 = 247638947417
BaseRepresentation
bin11010100001010111…
…010001110111000110
32201111121120102021221
4122201113101313012
5431310110204042
621025425430554
72025454554316
oct324127216706
981447512257
1028477038022
1111093600174
125628a9b45a
1328ba9c3474
141542089446
15b1a095d67
hex6a15d1dc6

28477038022 has 16 divisors (see below), whose sum is σ = 43632146880. Its totient is φ = 13933096768.

The previous prime is 28477038019. The next prime is 28477038071. The reversal of 28477038022 is 22083077482.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28477038022.

It is a congruent number.

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, 576858 + ... + 624274.

It is an arithmetic number, because the mean of its divisors is an integer number (2727009180).

Almost surely, 228477038022 is an apocalyptic number.

28477038022 is a deficient number, since it is larger than the sum of its proper divisors (15155108858).

28477038022 is a wasteful number, since it uses less digits than its factorization.

28477038022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53855.

The product of its (nonzero) digits is 301056, while the sum is 43.

The spelling of 28477038022 in words is "twenty-eight billion, four hundred seventy-seven million, thirty-eight thousand, twenty-two".

Divisors: 1 2 47 94 6389 12778 47417 94834 300283 600566 2228599 4457198 302947213 605894426 14238519011 28477038022