Base | Representation |
---|---|
bin | 10111010000011… |
… | …011010101000100 |
3 | 1000012012022101001 |
4 | 113100123111010 |
5 | 1244341312322 |
6 | 102414543044 |
7 | 12445331320 |
oct | 2720332504 |
9 | 1005168331 |
10 | 390182212 |
11 | 19027a742 |
12 | aa807a84 |
13 | 62ab4964 |
14 | 39b6a980 |
15 | 243c4827 |
hex | 1741b544 |
390182212 has 24 divisors (see below), whose sum is σ = 814294656. Its totient is φ = 159950208.
The previous prime is 390182207. The next prime is 390182239. The reversal of 390182212 is 212281093.
It is a super-2 number, since 2×3901822122 = 304484317122425888, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is an unprimeable number.
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, 302293 + ... + 303580.
It is an arithmetic number, because the mean of its divisors is an integer number (33928944).
Almost surely, 2390182212 is an apocalyptic number.
It is an amenable number.
390182212 is an abundant number, since it is smaller than the sum of its proper divisors (424112444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390182212 is a wasteful number, since it uses less digits than its factorization.
390182212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 605907 (or 605905 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 390182212 is about 19753.0304510473. The cubic root of 390182212 is about 730.7281231977.
The spelling of 390182212 in words is "three hundred ninety million, one hundred eighty-two thousand, two hundred twelve".
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