Base | Representation |
---|---|
bin | 10010100001110… |
… | …01010100000101 |
3 | 101211110100122122 |
4 | 21100321110011 |
5 | 304242032010 |
6 | 23231135325 |
7 | 3565040132 |
oct | 1120712405 |
9 | 354410578 |
10 | 155424005 |
11 | 7a8073a0 |
12 | 44074545 |
13 | 2627a989 |
14 | 168db589 |
15 | d9a1855 |
hex | 9439505 |
155424005 has 8 divisors (see below), whose sum is σ = 203464224. Its totient is φ = 113035600.
The previous prime is 155423981. The next prime is 155424083. The reversal of 155424005 is 500424551.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 155424005 - 212 = 155419909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1412891 + ... + 1413000.
It is an arithmetic number, because the mean of its divisors is an integer number (25433028).
Almost surely, 2155424005 is an apocalyptic number.
It is an amenable number.
155424005 is a deficient number, since it is larger than the sum of its proper divisors (48040219).
155424005 is a wasteful number, since it uses less digits than its factorization.
155424005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2825907.
The product of its (nonzero) digits is 4000, while the sum is 26.
The square root of 155424005 is about 12466.9164190669. The cubic root of 155424005 is about 537.6579006076.
Adding to 155424005 its reverse (500424551), we get a palindrome (655848556).
The spelling of 155424005 in words is "one hundred fifty-five million, four hundred twenty-four thousand, five".
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