Base | Representation |
---|---|
bin | 100000011011111… |
… | …1100001001000001 |
3 | 2210212000202110100 |
4 | 1000313330021001 |
5 | 4212112443311 |
6 | 300000153013 |
7 | 35654204400 |
oct | 10067741101 |
9 | 2725022410 |
10 | 1088406081 |
11 | 509416664 |
12 | 264608769 |
13 | 144651789 |
14 | a47a1637 |
15 | 65845a56 |
hex | 40dfc241 |
1088406081 has 27 divisors (see below), whose sum is σ = 1829983233. Its totient is φ = 621550440.
The previous prime is 1088406043. The next prime is 1088406101. The reversal of 1088406081 is 1806048801.
The square root of 1088406081 is 32991.
It is a perfect power (a square), and thus also a powerful number.
1088406081 is a `hidden beast` number, since 1 + 0 + 8 + 8 + 40 + 608 + 1 = 666.
It is not a de Polignac number, because 1088406081 - 213 = 1088397889 is a prime.
It is a super-2 number, since 2×10884060812 = 2369255594315557122, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1088406031) 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 26 ways as a sum of consecutive naturals, for example, 692026 + ... + 693596.
Almost surely, 21088406081 is an apocalyptic number.
1088406081 is the 32991-st square number.
1088406081 is the 16496-th centered octagonal number.
It is an amenable number.
1088406081 is a deficient number, since it is larger than the sum of its proper divisors (741577152).
1088406081 is an frugal number, since it uses more digits than its factorization.
1088406081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3162 (or 1581 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 36.
The cubic root of 1088406081 is about 1028.6405797341.
Multiplying 1088406081 by its sum of digits (36), we get a square (39182618916 = 1979462).
It can be divided in two parts, 108840 and 6081, that added together give a square (114921 = 3392).
The spelling of 1088406081 in words is "one billion, eighty-eight million, four hundred six thousand, eighty-one".
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