Base | Representation |
---|---|
bin | 1101010000110… |
… | …0110110011101 |
3 | 10212200011010101 |
4 | 3110030312131 |
5 | 103220032130 |
6 | 5304141101 |
7 | 1243552216 |
oct | 324146635 |
9 | 125604111 |
10 | 55627165 |
11 | 29444570 |
12 | 16767791 |
13 | b6a87a9 |
14 | 756040d |
15 | 4d3c1ca |
hex | 350cd9d |
55627165 has 24 divisors (see below), whose sum is σ = 74690208. Its totient is φ = 39443040.
The previous prime is 55627163. The next prime is 55627171. The reversal of 55627165 is 56172655.
It is not a de Polignac number, because 55627165 - 21 = 55627163 is a prime.
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55627163) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101422 + ... + 101968.
It is an arithmetic number, because the mean of its divisors is an integer number (3112092).
Almost surely, 255627165 is an apocalyptic number.
55627165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
55627165 is a deficient number, since it is larger than the sum of its proper divisors (19063043).
55627165 is a wasteful number, since it uses less digits than its factorization.
55627165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 649 (or 606 counting only the distinct ones).
The product of its digits is 63000, while the sum is 37.
The square root of 55627165 is about 7458.3620856057. The cubic root of 55627165 is about 381.7352884968.
Subtracting 55627165 from its reverse (56172655), we obtain a triangular number (545490 = T1044).
The spelling of 55627165 in words is "fifty-five million, six hundred twenty-seven thousand, one hundred sixty-five".
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