Base | Representation |
---|---|
bin | 10011011100100… |
… | …10110000111110 |
3 | 102100221212212210 |
4 | 21232102300332 |
5 | 313230133210 |
6 | 24104241250 |
7 | 4020404631 |
oct | 1156226076 |
9 | 370855783 |
10 | 163130430 |
11 | 840a0341 |
12 | 46770226 |
13 | 27a485a8 |
14 | 17945c18 |
15 | e4c4e20 |
hex | 9b92c3e |
163130430 has 32 divisors (see below), whose sum is σ = 393383808. Its totient is φ = 43293600.
The previous prime is 163130417. The next prime is 163130459. The reversal of 163130430 is 34031361.
It is a super-2 number, since 2×1631304302 = 53223074383969800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 163130397 and 163130406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6556 + ... + 19215.
It is an arithmetic number, because the mean of its divisors is an integer number (12293244).
Almost surely, 2163130430 is an apocalyptic number.
163130430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
163130430 is an abundant number, since it is smaller than the sum of its proper divisors (230253378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163130430 is a wasteful number, since it uses less digits than its factorization.
163130430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25992.
The product of its (nonzero) digits is 648, while the sum is 21.
The square root of 163130430 is about 12772.2523463953. The cubic root of 163130430 is about 546.4012199439.
Adding to 163130430 its reverse (34031361), we get a palindrome (197161791).
The spelling of 163130430 in words is "one hundred sixty-three million, one hundred thirty thousand, four hundred thirty".
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