Base | Representation |
---|---|
bin | 10010011111100… |
… | …00000110011100 |
3 | 101210220010021221 |
4 | 21033300012130 |
5 | 304202432444 |
6 | 23220503124 |
7 | 3562350631 |
oct | 1117600634 |
9 | 353803257 |
10 | 155124124 |
11 | 7a622061 |
12 | 43b4aaa4 |
13 | 261a432c |
14 | 16860188 |
15 | d942a84 |
hex | 93f019c |
155124124 has 24 divisors (see below), whose sum is σ = 284079488. Its totient is φ = 74027520.
The previous prime is 155124107. The next prime is 155124127. The reversal of 155124124 is 421421551.
155124124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155124127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484 + ... + 17620.
Almost surely, 2155124124 is an apocalyptic number.
It is an amenable number.
155124124 is a deficient number, since it is larger than the sum of its proper divisors (128955364).
155124124 is a wasteful number, since it uses less digits than its factorization.
155124124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17245 (or 17243 counting only the distinct ones).
The product of its digits is 1600, while the sum is 25.
The square root of 155124124 is about 12454.8835402022. The cubic root of 155124124 is about 537.3118854242.
Adding to 155124124 its reverse (421421551), we get a palindrome (576545675).
The spelling of 155124124 in words is "one hundred fifty-five million, one hundred twenty-four thousand, one hundred twenty-four".
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