Base | Representation |
---|---|
bin | 10101110000010… |
… | …01111110011001 |
3 | 110201101121110000 |
4 | 22320021332121 |
5 | 333204234311 |
6 | 30035243213 |
7 | 4344110541 |
oct | 1270117631 |
9 | 421347400 |
10 | 182493081 |
11 | 94015831 |
12 | 51149509 |
13 | 2ba67894 |
14 | 1a346321 |
15 | 1104c056 |
hex | ae09f99 |
182493081 has 45 divisors (see below), whose sum is σ = 291404421. Its totient is φ = 113799816.
The previous prime is 182493071. The next prime is 182493083. The reversal of 182493081 is 180394281.
The square root of 182493081 is 13509.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 182493081 - 27 = 182492953 is a prime.
It is a super-2 number, since 2×1824930812 = 66607449225745122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (182493083) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2310000 + ... + 2310078.
Almost surely, 2182493081 is an apocalyptic number.
182493081 is the 13509-th square number.
182493081 is the 6755-th centered octagonal number.
It is an amenable number.
182493081 is a deficient number, since it is larger than the sum of its proper divisors (108911340).
182493081 is an frugal number, since it uses more digits than its factorization.
182493081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208 (or 101 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The cubic root of 182493081 is about 567.2164286727.
Multiplying 182493081 by its sum of digits (36), we get a square (6569750916 = 810542).
The spelling of 182493081 in words is "one hundred eighty-two million, four hundred ninety-three thousand, eighty-one".
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