Search a number
-
+
10887487 = 132232801
BaseRepresentation
bin101001100010…
…000100111111
3202111010211021
4221202010333
510241344422
61025205011
7161353642
oct51420477
922433737
1010887487
116166a26
123790767
132342800
141635a59
15e50dc7
hexa6213f

10887487 has 12 divisors (see below), whose sum is σ = 12306384. Its totient is φ = 9609600.

The previous prime is 10887473. The next prime is 10887511. The reversal of 10887487 is 78478801.

10887487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-10887487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10887407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2487 + ... + 5287.

It is an arithmetic number, because the mean of its divisors is an integer number (1025532).

Almost surely, 210887487 is an apocalyptic number.

10887487 is a deficient number, since it is larger than the sum of its proper divisors (1418897).

10887487 is a wasteful number, since it uses less digits than its factorization.

10887487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850 (or 2837 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 43.

The square root of 10887487 is about 3299.6192204556. The cubic root of 10887487 is about 221.6371463380.

The spelling of 10887487 in words is "ten million, eight hundred eighty-seven thousand, four hundred eighty-seven".

Divisors: 1 13 23 169 299 2801 3887 36413 64423 473369 837499 10887487