Search a number
-
+
887420520900 = 22385211632
BaseRepresentation
bin11001110100111100110…
…00101000100111000100
310010211120212021100000000
430322132120220213010
5104014414123132100
61515401513321300
7121054051653234
oct14723630504704
93124525240000
10887420520900
11312397826a81
12123ba3406230
13658b6562254
1430d46843cc4
151813ce93900
hexce9e6289c4

887420520900 has 243 divisors, whose sum is σ = 2890892760301. Its totient is φ = 236441993760.

The previous prime is 887420520871. The next prime is 887420520949. The reversal of 887420520900 is 9025024788.

The square root of 887420520900 is 942030.

It is a perfect power (a square), and thus also a powerful number.

887420520900 is a `hidden beast` number, since 8 + 87 + 42 + 0 + 520 + 9 + 0 + 0 = 666.

It can be written as a sum of positive squares in only one way, i.e., 319471387524 + 567949133376 = 565218^2 + 753624^2 .

It is a tau number, because it is divible by the number of its divisors (243).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 763043719 + ... + 763044881.

Almost surely, 2887420520900 is an apocalyptic number.

887420520900 is the 942030-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 887420520900

887420520900 is an abundant number, since it is smaller than the sum of its proper divisors (2003472239401).

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

887420520900 is an frugal number, since it uses more digits than its factorization.

887420520900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 887420520900 in words is "eight hundred eighty-seven billion, four hundred twenty million, five hundred twenty thousand, nine hundred".