Base | Representation |
---|---|
bin | 10010100001001… |
… | …01010111101001 |
3 | 101211022012121000 |
4 | 21100211113221 |
5 | 304231423223 |
6 | 23225305213 |
7 | 3564250020 |
oct | 1120452751 |
9 | 354265530 |
10 | 155342313 |
11 | 7a760a85 |
12 | 44035209 |
13 | 2624c739 |
14 | 168b98b7 |
15 | d987543 |
hex | 94255e9 |
155342313 has 32 divisors (see below), whose sum is σ = 263761920. Its totient is φ = 88514640.
The previous prime is 155342293. The next prime is 155342329. The reversal of 155342313 is 313243551.
155342313 is a `hidden beast` number, since 1 + 5 + 5 + 342 + 313 = 666.
It is not a de Polignac number, because 155342313 - 25 = 155342281 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nialpdrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (155342353) 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 31 ways as a sum of consecutive naturals, for example, 80506 + ... + 82412.
It is an arithmetic number, because the mean of its divisors is an integer number (8242560).
Almost surely, 2155342313 is an apocalyptic number.
It is an amenable number.
155342313 is a deficient number, since it is larger than the sum of its proper divisors (108419607).
155342313 is a wasteful number, since it uses less digits than its factorization.
155342313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2354 (or 2348 counting only the distinct ones).
The product of its digits is 5400, while the sum is 27.
The square root of 155342313 is about 12463.6396369600. The cubic root of 155342313 is about 537.5636851167.
Adding to 155342313 its reverse (313243551), we get a palindrome (468585864).
The spelling of 155342313 in words is "one hundred fifty-five million, three hundred forty-two thousand, three hundred thirteen".
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