Base | Representation |
---|---|
bin | 1101001000110… |
… | …1000010111000 |
3 | 10211200120000202 |
4 | 3102031002320 |
5 | 103101304142 |
6 | 5245021332 |
7 | 1236242051 |
oct | 322150270 |
9 | 124616022 |
10 | 55103672 |
11 | 29117228 |
12 | 16554848 |
13 | b554430 |
14 | 7465728 |
15 | 4c87032 |
hex | 348d0b8 |
55103672 has 32 divisors (see below), whose sum is σ = 113989680. Its totient is φ = 24810240.
The previous prime is 55103651. The next prime is 55103687. The reversal of 55103672 is 27630155.
It is a nialpdrome in base 13.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2198 + ... + 10725.
Almost surely, 255103672 is an apocalyptic number.
55103672 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
55103672 is an abundant number, since it is smaller than the sum of its proper divisors (58886008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55103672 is a wasteful number, since it uses less digits than its factorization.
55103672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12983 (or 12979 counting only the distinct ones).
The product of its (nonzero) digits is 6300, while the sum is 29.
The square root of 55103672 is about 7423.1847612733. The cubic root of 55103672 is about 380.5340413654.
The spelling of 55103672 in words is "fifty-five million, one hundred three thousand, six hundred seventy-two".
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