Base | Representation |
---|---|
bin | 10010100001110… |
… | …10111011100011 |
3 | 101211110200201220 |
4 | 21100322323203 |
5 | 304242240002 |
6 | 23231230123 |
7 | 3565065342 |
oct | 1120727343 |
9 | 354420656 |
10 | 155430627 |
11 | 7a811370 |
12 | 44078343 |
13 | 262809b1 |
14 | 168ddb59 |
15 | d9a37bc |
hex | 943aee3 |
155430627 has 16 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 94052000.
The previous prime is 155430593. The next prime is 155430629. The reversal of 155430627 is 726034551.
It is a cyclic number.
It is not a de Polignac number, because 155430627 - 26 = 155430563 is a prime.
It is a super-2 number, since 2×1554306272 = 48317359619226258, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (155430629) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19774 + ... + 26492.
It is an arithmetic number, because the mean of its divisors is an integer number (14152320).
Almost surely, 2155430627 is an apocalyptic number.
155430627 is a deficient number, since it is larger than the sum of its proper divisors (71006493).
155430627 is a wasteful number, since it uses less digits than its factorization.
155430627 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7434.
The product of its (nonzero) digits is 25200, while the sum is 33.
The square root of 155430627 is about 12467.1819991528. The cubic root of 155430627 is about 537.6655363222.
The spelling of 155430627 in words is "one hundred fifty-five million, four hundred thirty thousand, six hundred twenty-seven".
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