Base | Representation |
---|---|
bin | 10010011110110… |
… | …11000111010001 |
3 | 101210201202101010 |
4 | 21033123013101 |
5 | 304142210121 |
6 | 23215001133 |
7 | 3561542205 |
oct | 1117330721 |
9 | 353652333 |
10 | 155038161 |
11 | 7a573513 |
12 | 43b091a9 |
13 | 26174175 |
14 | 1683ab05 |
15 | d927376 |
hex | 93db1d1 |
155038161 has 8 divisors (see below), whose sum is σ = 213385984. Its totient is φ = 100024560.
The previous prime is 155038159. The next prime is 155038183. The reversal of 155038161 is 161830551.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 155038161 - 21 = 155038159 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (155038111) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833446 + ... + 833631.
It is an arithmetic number, because the mean of its divisors is an integer number (26673248).
Almost surely, 2155038161 is an apocalyptic number.
It is an amenable number.
155038161 is a deficient number, since it is larger than the sum of its proper divisors (58347823).
155038161 is a wasteful number, since it uses less digits than its factorization.
155038161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1667111.
The product of its (nonzero) digits is 3600, while the sum is 30.
The square root of 155038161 is about 12451.4320863104. The cubic root of 155038161 is about 537.2126155083.
The spelling of 155038161 in words is "one hundred fifty-five million, thirty-eight thousand, one hundred sixty-one".
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