Base | Representation |
---|---|
bin | 1010000011001… |
… | …1010011110101 |
3 | 2221022121022211 |
4 | 2200303103311 |
5 | 41242400310 |
6 | 4103253421 |
7 | 1021203433 |
oct | 240632365 |
9 | 87277284 |
10 | 42153205 |
11 | 21881366 |
12 | 1214a271 |
13 | 896b933 |
14 | 5853d53 |
15 | 3a79c8a |
hex | 28334f5 |
42153205 has 8 divisors (see below), whose sum is σ = 50982912. Its totient is φ = 33456528.
The previous prime is 42153187. The next prime is 42153239. The reversal of 42153205 is 50235124.
42153205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42153205 - 25 = 42153173 is a prime.
It is a Duffinian number.
It is a congruent number.
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, 32557 + ... + 33826.
It is an arithmetic number, because the mean of its divisors is an integer number (6372864).
Almost surely, 242153205 is an apocalyptic number.
It is an amenable number.
42153205 is a deficient number, since it is larger than the sum of its proper divisors (8829707).
42153205 is a wasteful number, since it uses less digits than its factorization.
42153205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66515.
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 42153205 is about 6492.5499613018. The cubic root of 42153205 is about 348.0248061104.
Adding to 42153205 its reverse (50235124), we get a palindrome (92388329).
The spelling of 42153205 in words is "forty-two million, one hundred fifty-three thousand, two hundred five".
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