Search a number
-
+
1088634121 = 61109163729
BaseRepresentation
bin100000011100011…
…0011110100001001
32210212110100021021
41000320303310021
54212142242441
6300005112441
735656144261
oct10070636411
92725410237
101088634121
11509561a23
122646b8721
13144701503
14a48207a1
156588d3d1
hex40e33d09

1088634121 has 8 divisors (see below), whose sum is σ = 1116638600. Its totient is φ = 1060957440.

The previous prime is 1088634101. The next prime is 1088634133. The reversal of 1088634121 is 1214368801.

It can be written as a sum of positive squares in 4 ways, for example, as 42758521 + 1045875600 = 6539^2 + 32340^2 .

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 1088634121 - 27 = 1088633993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1088634101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75216 + ... + 88513.

It is an arithmetic number, because the mean of its divisors is an integer number (139579825).

Almost surely, 21088634121 is an apocalyptic number.

It is an amenable number.

1088634121 is a deficient number, since it is larger than the sum of its proper divisors (28004479).

1088634121 is a wasteful number, since it uses less digits than its factorization.

1088634121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163899.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1088634121 is about 32994.4559130773. The cubic root of 1088634121 is about 1028.7124140802.

It can be divided in two parts, 1088 and 634121, that added together give a square (635209 = 7972).

The spelling of 1088634121 in words is "one billion, eighty-eight million, six hundred thirty-four thousand, one hundred twenty-one".

Divisors: 1 61 109 6649 163729 9987469 17846461 1088634121