Base | Representation |
---|---|
bin | 10010100001000… |
… | …01001011011001 |
3 | 101211021100001011 |
4 | 21100201023121 |
5 | 304230401040 |
6 | 23225053521 |
7 | 3564145663 |
oct | 1120411331 |
9 | 354240034 |
10 | 155325145 |
11 | 7a74a098 |
12 | 440272a1 |
13 | 26244991 |
14 | 168b3533 |
15 | d9823ea |
hex | 94212d9 |
155325145 has 8 divisors (see below), whose sum is σ = 187534656. Its totient is φ = 123497136.
The previous prime is 155325143. The next prime is 155325161. The reversal of 155325145 is 541523551.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 155325145 - 21 = 155325143 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (155325143) by changing a digit.
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, 94477 + ... + 96106.
It is an arithmetic number, because the mean of its divisors is an integer number (23441832).
Almost surely, 2155325145 is an apocalyptic number.
It is an amenable number.
155325145 is a deficient number, since it is larger than the sum of its proper divisors (32209511).
155325145 is a wasteful number, since it uses less digits than its factorization.
155325145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 190751.
The product of its digits is 15000, while the sum is 31.
The square root of 155325145 is about 12462.9508945514. The cubic root of 155325145 is about 537.5438810398.
Adding to 155325145 its reverse (541523551), we get a palindrome (696848696).
The spelling of 155325145 in words is "one hundred fifty-five million, three hundred twenty-five thousand, one hundred forty-five".
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