Base | Representation |
---|---|
bin | 10010010000011… |
… | …00010101101111 |
3 | 101200011110012121 |
4 | 21020030111233 |
5 | 303201031024 |
6 | 23110213411 |
7 | 3536455666 |
oct | 1110142557 |
9 | 350143177 |
10 | 153142639 |
11 | 79499371 |
12 | 43354267 |
13 | 2595c460 |
14 | 164a5ddd |
15 | d6a08e4 |
hex | 920c56f |
153142639 has 8 divisors (see below), whose sum is σ = 165754400. Its totient is φ = 140649696.
The previous prime is 153142631. The next prime is 153142643. The reversal of 153142639 is 936241351.
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 153142639 - 23 = 153142631 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (153142631) by changing a digit.
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, 27012 + ... + 32185.
It is an arithmetic number, because the mean of its divisors is an integer number (20719300).
Almost surely, 2153142639 is an apocalyptic number.
153142639 is a deficient number, since it is larger than the sum of its proper divisors (12611761).
153142639 is a wasteful number, since it uses less digits than its factorization.
153142639 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59409.
The product of its digits is 19440, while the sum is 34.
The square root of 153142639 is about 12375.0813734698. The cubic root of 153142639 is about 535.0142820888.
The spelling of 153142639 in words is "one hundred fifty-three million, one hundred forty-two thousand, six hundred thirty-nine".
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