Base | Representation |
---|---|
bin | 111011101010… |
… | …1001110010010 |
3 | 2011212021221001 |
4 | 1313111032102 |
5 | 31002011231 |
6 | 3034252214 |
7 | 526615234 |
oct | 167251622 |
9 | 64767831 |
10 | 31282066 |
11 | 16726752 |
12 | a58706a |
13 | 66336ca |
14 | 4224254 |
15 | 2b2db61 |
hex | 1dd5392 |
31282066 has 8 divisors (see below), whose sum is σ = 47234304. Its totient is φ = 15537300.
The previous prime is 31282063. The next prime is 31282117. The reversal of 31282066 is 66028213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (31282061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51490 + ... + 52093.
It is an arithmetic number, because the mean of its divisors is an integer number (5904288).
Almost surely, 231282066 is an apocalyptic number.
31282066 is a deficient number, since it is larger than the sum of its proper divisors (15952238).
31282066 is a wasteful number, since it uses less digits than its factorization.
31282066 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103736.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 31282066 is about 5593.0372786170. The cubic root of 31282066 is about 315.0879606543.
The spelling of 31282066 in words is "thirty-one million, two hundred eighty-two thousand, sixty-six".
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