Base | Representation |
---|---|
bin | 10010011000110… |
… | …00111111010011 |
3 | 101202020100122201 |
4 | 21030120333103 |
5 | 303441234102 |
6 | 23145544031 |
7 | 3552021061 |
oct | 1114307723 |
9 | 352210581 |
10 | 154243027 |
11 | 7a080084 |
12 | 437a5017 |
13 | 25c56283 |
14 | 166b1031 |
15 | d81b987 |
hex | 9318fd3 |
154243027 has 8 divisors (see below), whose sum is σ = 157462272. Its totient is φ = 151053000.
The previous prime is 154243009. The next prime is 154243031. The reversal of 154243027 is 720342451.
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 154243027 - 211 = 154240979 is a prime.
It is a super-2 number, since 2×1542430272 = 47581822756245458, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 154242986 and 154243004.
It is not an unprimeable number, because it can be changed into a prime (154243097) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3528 + ... + 17914.
It is an arithmetic number, because the mean of its divisors is an integer number (19682784).
Almost surely, 2154243027 is an apocalyptic number.
154243027 is a deficient number, since it is larger than the sum of its proper divisors (3219245).
154243027 is a wasteful number, since it uses less digits than its factorization.
154243027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14609.
The product of its (nonzero) digits is 6720, while the sum is 28.
The square root of 154243027 is about 12419.4616227919. The cubic root of 154243027 is about 536.2926520122.
Adding to 154243027 its reverse (720342451), we get a palindrome (874585478).
The spelling of 154243027 in words is "one hundred fifty-four million, two hundred forty-three thousand, twenty-seven".
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