Base | Representation |
---|---|
bin | 10010010111001… |
… | …11111010111001 |
3 | 101201212010221210 |
4 | 21023213322321 |
5 | 303413321131 |
6 | 23141353333 |
7 | 3550223106 |
oct | 1113477271 |
9 | 351763853 |
10 | 154042041 |
11 | 79a5307a |
12 | 43708849 |
13 | 25bb594a |
14 | 1665baad |
15 | d7cc146 |
hex | 92e7eb9 |
154042041 has 8 divisors (see below), whose sum is σ = 206524864. Its totient is φ = 102126960.
The previous prime is 154042037. The next prime is 154042051. The reversal of 154042041 is 140240451.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 154042041 - 22 = 154042037 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 154041999 and 154042017.
It is not an unprimeable number, because it can be changed into a prime (154042051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141301 + ... + 142386.
It is an arithmetic number, because the mean of its divisors is an integer number (25815608).
Almost surely, 2154042041 is an apocalyptic number.
It is an amenable number.
154042041 is a deficient number, since it is larger than the sum of its proper divisors (52482823).
154042041 is a wasteful number, since it uses less digits than its factorization.
154042041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 283871.
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 154042041 is about 12411.3674105636. The cubic root of 154042041 is about 536.0596124851.
Adding to 154042041 its reverse (140240451), we get a palindrome (294282492).
The spelling of 154042041 in words is "one hundred fifty-four million, forty-two thousand, forty-one".
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