Base | Representation |
---|---|
bin | 10010011010110… |
… | …10101010101001 |
3 | 101202202000200012 |
4 | 21031122222221 |
5 | 304023341131 |
6 | 23155421305 |
7 | 3554221265 |
oct | 1115325251 |
9 | 352660605 |
10 | 154512041 |
11 | 7a244202 |
12 | 438b4835 |
13 | 2601b858 |
14 | 167410a5 |
15 | d87152b |
hex | 935aaa9 |
154512041 has 4 divisors (see below), whose sum is σ = 154617300. Its totient is φ = 154406784.
The previous prime is 154512023. The next prime is 154512097. The reversal of 154512041 is 140215451.
154512041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140215451 = 181 ⋅774671.
It can be written as a sum of positive squares in 2 ways, for example, as 96432400 + 58079641 = 9820^2 + 7621^2 .
It is a cyclic number.
It is not a de Polignac number, because 154512041 - 210 = 154511017 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 154511998 and 154512016.
It is not an unprimeable number, because it can be changed into a prime (154592041) 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, 50396 + ... + 53373.
It is an arithmetic number, because the mean of its divisors is an integer number (38654325).
Almost surely, 2154512041 is an apocalyptic number.
It is an amenable number.
154512041 is a deficient number, since it is larger than the sum of its proper divisors (105259).
154512041 is a wasteful number, since it uses less digits than its factorization.
154512041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105258.
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 154512041 is about 12430.2872452731. The cubic root of 154512041 is about 536.6042521364.
Adding to 154512041 its reverse (140215451), we get a palindrome (294727492).
The spelling of 154512041 in words is "one hundred fifty-four million, five hundred twelve thousand, forty-one".
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