Base | Representation |
---|---|
bin | 1101001001110… |
… | …0111000000000 |
3 | 10211210211222020 |
4 | 3102130320000 |
5 | 103110343022 |
6 | 5250241440 |
7 | 1236632100 |
oct | 322347000 |
9 | 124724866 |
10 | 55168512 |
11 | 29160a13 |
12 | 16586280 |
13 | b577ab9 |
14 | 7481200 |
15 | 4c9b35c |
hex | 349ce00 |
55168512 has 120 divisors (see below), whose sum is σ = 171201096. Its totient is φ = 15740928.
The previous prime is 55168501. The next prime is 55168543. The reversal of 55168512 is 21586155.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74898 + ... + 75630.
Almost surely, 255168512 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 55168512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85600548).
55168512 is an abundant number, since it is smaller than the sum of its proper divisors (116032584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55168512 is an equidigital number, since it uses as much as digits as its factorization.
55168512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 768 (or 745 counting only the distinct ones).
The product of its digits is 12000, while the sum is 33.
The square root of 55168512 is about 7427.5508749520. The cubic root of 55168512 is about 380.6832398661.
It can be divided in two parts, 5516 and 8512, that added together give a triangular number (14028 = T167).
The spelling of 55168512 in words is "fifty-five million, one hundred sixty-eight thousand, five hundred twelve".
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