Base | Representation |
---|---|
bin | 10010100001110… |
… | …01100011101101 |
3 | 101211110102000200 |
4 | 21100321203231 |
5 | 304242100010 |
6 | 23231144113 |
7 | 3565043061 |
oct | 1120714355 |
9 | 354412020 |
10 | 155425005 |
11 | 7a80811a |
12 | 44075039 |
13 | 2627b278 |
14 | 168dbaa1 |
15 | d9a1cc0 |
hex | 94398ed |
155425005 has 48 divisors (see below), whose sum is σ = 281698560. Its totient is φ = 79196544.
The previous prime is 155425003. The next prime is 155425009. The reversal of 155425005 is 500524551.
155425005 is a `hidden beast` number, since 155 + 4 + 2 + 500 + 5 = 666.
155425005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 155425005 - 21 = 155425003 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 155425005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155425001) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90091 + ... + 91799.
It is an arithmetic number, because the mean of its divisors is an integer number (5868720).
Almost surely, 2155425005 is an apocalyptic number.
155425005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
155425005 is a deficient number, since it is larger than the sum of its proper divisors (126273555).
155425005 is a wasteful number, since it uses less digits than its factorization.
155425005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1810 (or 1807 counting only the distinct ones).
The product of its (nonzero) digits is 5000, while the sum is 27.
The square root of 155425005 is about 12466.9565251508. The cubic root of 155425005 is about 537.6590537044.
Adding to 155425005 its reverse (500524551), we get a palindrome (655949556).
The spelling of 155425005 in words is "one hundred fifty-five million, four hundred twenty-five thousand, five".
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