Base | Representation |
---|---|
bin | 11011100111010… |
… | …10101100100001 |
3 | 121010212221100210 |
4 | 31303222230201 |
5 | 433300214113 |
6 | 34553004333 |
7 | 5511655461 |
oct | 1563525441 |
9 | 533787323 |
10 | 231648033 |
11 | 109839661 |
12 | 656b36a9 |
13 | 38cb8456 |
14 | 22a9dba1 |
15 | 1550b6c3 |
hex | dceab21 |
231648033 has 16 divisors (see below), whose sum is σ = 311325696. Its totient is φ = 153207120.
The previous prime is 231648031. The next prime is 231648037. The reversal of 231648033 is 330846132.
It is not a de Polignac number, because 231648033 - 21 = 231648031 is a prime.
It is a super-2 number, since 2×2316480332 = 107321622385538178, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (231648031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260716 + ... + 261602.
It is an arithmetic number, because the mean of its divisors is an integer number (19457856).
Almost surely, 2231648033 is an apocalyptic number.
It is an amenable number.
231648033 is a deficient number, since it is larger than the sum of its proper divisors (79677663).
231648033 is a wasteful number, since it uses less digits than its factorization.
231648033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1484.
The product of its (nonzero) digits is 10368, while the sum is 30.
The square root of 231648033 is about 15219.9879434906. The cubic root of 231648033 is about 614.1524739193.
The spelling of 231648033 in words is "two hundred thirty-one million, six hundred forty-eight thousand, thirty-three".
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