Base | Representation |
---|---|
bin | 1010000111011… |
… | …0011011111001 |
3 | 2221211120111002 |
4 | 2201312123321 |
5 | 41330200103 |
6 | 4113214345 |
7 | 1023430145 |
oct | 241663371 |
9 | 87746432 |
10 | 42428153 |
11 | 21a49999 |
12 | 122613b5 |
13 | 8a36b21 |
14 | 58c6225 |
15 | 3ad1488 |
hex | 28766f9 |
42428153 has 4 divisors (see below), whose sum is σ = 43463028. Its totient is φ = 41393280.
The previous prime is 42428147. The next prime is 42428161. The reversal of 42428153 is 35182424.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 20178064 + 22250089 = 4492^2 + 4717^2 .
It is a cyclic number.
It is not a de Polignac number, because 42428153 - 214 = 42411769 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42428173) 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, 517376 + ... + 517457.
It is an arithmetic number, because the mean of its divisors is an integer number (10865757).
Almost surely, 242428153 is an apocalyptic number.
It is an amenable number.
42428153 is a deficient number, since it is larger than the sum of its proper divisors (1034875).
42428153 is a wasteful number, since it uses less digits than its factorization.
42428153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1034874.
The product of its digits is 7680, while the sum is 29.
The square root of 42428153 is about 6513.6896610139. The cubic root of 42428153 is about 348.7798410594.
The spelling of 42428153 in words is "forty-two million, four hundred twenty-eight thousand, one hundred fifty-three".
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