Search a number
-
+
988481 = 1325849
BaseRepresentation
bin11110001010101000001
31212012221102
43301111001
5223112411
633104145
711254604
oct3612501
91765842
10988481
1161572a
123b8055
13287c00
141ba33b
15147d3b
hexf1541

988481 has 6 divisors (see below), whose sum is σ = 1070550. Its totient is φ = 912288.

The previous prime is 988459. The next prime is 988483. The reversal of 988481 is 184889.

It can be written as a sum of positive squares in 3 ways, for example, as 6400 + 982081 = 80^2 + 991^2 .

It is not a de Polignac number, because 988481 - 26 = 988417 is a prime.

It is a super-2 number, since 2×9884812 = 1954189374722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2756 + ... + 3093.

It is an arithmetic number, because the mean of its divisors is an integer number (178425).

2988481 is an apocalyptic number.

It is an amenable number.

988481 is a deficient number, since it is larger than the sum of its proper divisors (82069).

988481 is a wasteful number, since it uses less digits than its factorization.

988481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875 (or 5862 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 988481 is about 994.2238178599. The cubic root of 988481 is about 99.6145495215.

It can be divided in two parts, 98 and 8481, that multiplied together give a palindrome (831138).

The spelling of 988481 in words is "nine hundred eighty-eight thousand, four hundred eighty-one".

Divisors: 1 13 169 5849 76037 988481