Search a number
-
+
988668263 = 11103872611
BaseRepresentation
bin111010111011011…
…110000101100111
32112220100112220002
4322323132011213
54011044341023
6242034331515
733333353522
oct7273360547
92486315802
10988668263
11468094110
12237129b9b
13129aa040b
149543bbb9
155bbe3b28
hex3aede167

988668263 has 8 divisors (see below), whose sum is σ = 1089019776. Its totient is φ = 890062200.

The previous prime is 988668229. The next prime is 988668277. The reversal of 988668263 is 362866889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 988668263 - 26 = 988668199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 988668199 and 988668208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988668283) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 435173 + ... + 437438.

It is an arithmetic number, because the mean of its divisors is an integer number (136127472).

Almost surely, 2988668263 is an apocalyptic number.

988668263 is a deficient number, since it is larger than the sum of its proper divisors (100351513).

988668263 is a wasteful number, since it uses less digits than its factorization.

988668263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872725.

The product of its digits is 5971968, while the sum is 56.

The square root of 988668263 is about 31443.0956332229. The cubic root of 988668263 is about 996.2083962440.

The spelling of 988668263 in words is "nine hundred eighty-eight million, six hundred sixty-eight thousand, two hundred sixty-three".

Divisors: 1 11 103 1133 872611 9598721 89878933 988668263