Base | Representation |
---|---|
bin | 10010011111010… |
… | …11110111111010 |
3 | 101210212020112200 |
4 | 21033223313322 |
5 | 304201404220 |
6 | 23220251030 |
7 | 3562246305 |
oct | 1117536772 |
9 | 353766480 |
10 | 155106810 |
11 | 7a610051 |
12 | 43b40a76 |
13 | 261994a1 |
14 | 16857b3c |
15 | d93c890 |
hex | 93ebdfa |
155106810 has 48 divisors (see below), whose sum is σ = 427004136. Its totient is φ = 38928384.
The previous prime is 155106803. The next prime is 155106817. The reversal of 155106810 is 18601551.
155106810 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (155106803) and next prime (155106817).
It can be written as a sum of positive squares in 4 ways, for example, as 154778481 + 328329 = 12441^2 + 573^2 .
It is a super-2 number, since 2×1551068102 = 48116245016752200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (155106817) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49159 + ... + 52218.
Almost surely, 2155106810 is an apocalyptic number.
155106810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
155106810 is an abundant number, since it is smaller than the sum of its proper divisors (271897326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155106810 is a wasteful number, since it uses less digits than its factorization.
155106810 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101407 (or 101404 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 27.
The square root of 155106810 is about 12454.1884520831. The cubic root of 155106810 is about 537.2918941985.
The spelling of 155106810 in words is "one hundred fifty-five million, one hundred six thousand, eight hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •