Base | Representation |
---|---|
bin | 10010010000011… |
… | …00001100101001 |
3 | 101200011102102001 |
4 | 21020030030221 |
5 | 303201021212 |
6 | 23110211001 |
7 | 3536454205 |
oct | 1110141451 |
9 | 350142361 |
10 | 153142057 |
11 | 79498992 |
12 | 43353a61 |
13 | 2595c103 |
14 | 164a5b05 |
15 | d6a0657 |
hex | 920c329 |
153142057 has 4 divisors (see below), whose sum is σ = 154547140. Its totient is φ = 151736976.
The previous prime is 153142043. The next prime is 153142063. The reversal of 153142057 is 750241351.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750241351 = 839 ⋅894209.
It can be written as a sum of positive squares in 2 ways, for example, as 117094041 + 36048016 = 10821^2 + 6004^2 .
It is a cyclic number.
It is not a de Polignac number, because 153142057 - 215 = 153109289 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (153142037) 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, 702378 + ... + 702595.
It is an arithmetic number, because the mean of its divisors is an integer number (38636785).
Almost surely, 2153142057 is an apocalyptic number.
It is an amenable number.
153142057 is a deficient number, since it is larger than the sum of its proper divisors (1405083).
153142057 is a wasteful number, since it uses less digits than its factorization.
153142057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1405082.
The product of its (nonzero) digits is 4200, while the sum is 28.
The square root of 153142057 is about 12375.0578584506. The cubic root of 153142057 is about 535.0136043357.
It can be divided in two parts, 15314 and 2057, that added together give a palindrome (17371).
The spelling of 153142057 in words is "one hundred fifty-three million, one hundred forty-two thousand, fifty-seven".
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