Base | Representation |
---|---|
bin | 1101001101110… |
… | …0110000010101 |
3 | 10212022010220002 |
4 | 3103130300111 |
5 | 103142231130 |
6 | 5300021045 |
7 | 1242101660 |
oct | 323346025 |
9 | 125263802 |
10 | 55430165 |
11 | 2931a55a |
12 | 16691785 |
13 | b639c1b |
14 | 750c6d7 |
15 | 4cedb45 |
hex | 34dcc15 |
55430165 has 32 divisors (see below), whose sum is σ = 79591680. Its totient is φ = 36255744.
The previous prime is 55430159. The next prime is 55430203. The reversal of 55430165 is 56103455.
55430165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 55430165 - 26 = 55430101 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98174 + ... + 98736.
It is an arithmetic number, because the mean of its divisors is an integer number (2487240).
Almost surely, 255430165 is an apocalyptic number.
It is an amenable number.
55430165 is a deficient number, since it is larger than the sum of its proper divisors (24161515).
55430165 is a wasteful number, since it uses less digits than its factorization.
55430165 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 701.
The product of its (nonzero) digits is 9000, while the sum is 29.
The square root of 55430165 is about 7445.1437192307. The cubic root of 55430165 is about 381.2841252263.
The spelling of 55430165 in words is "fifty-five million, four hundred thirty thousand, one hundred sixty-five".
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