Base | Representation |
---|---|
bin | 10010010100101… |
… | …01111010100101 |
3 | 101201020002012100 |
4 | 21022111322211 |
5 | 303322044044 |
6 | 23130242313 |
7 | 3544323612 |
oct | 1112257245 |
9 | 351202170 |
10 | 153706149 |
11 | 79843783 |
12 | 43586399 |
13 | 25ac8aac |
14 | 165b1509 |
15 | d762869 |
hex | 9295ea5 |
153706149 has 6 divisors (see below), whose sum is σ = 222020006. Its totient is φ = 102470760.
The previous prime is 153706141. The next prime is 153706169. The reversal of 153706149 is 941607351.
153706149 is a `hidden beast` number, since 1 + 5 + 37 + 0 + 614 + 9 = 666.
153706149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 83448225 + 70257924 = 9135^2 + 8382^2 .
It is not a de Polignac number, because 153706149 - 23 = 153706141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (153706141) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8539222 + ... + 8539239.
Almost surely, 2153706149 is an apocalyptic number.
It is an amenable number.
153706149 is a deficient number, since it is larger than the sum of its proper divisors (68313857).
153706149 is a wasteful number, since it uses less digits than its factorization.
153706149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17078467 (or 17078464 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 153706149 is about 12397.8283985543. The cubic root of 153706149 is about 535.6696990854.
The spelling of 153706149 in words is "one hundred fifty-three million, seven hundred six thousand, one hundred forty-nine".
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