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10380055 = 571571889
BaseRepresentation
bin100111100110…
…001100010111
3201112100202111
4213212030113
510124130210
61010251451
7154141360
oct47461427
921470674
1010380055
11594a764
123586b87
1321c585a
141542b67
15da088a
hex9e6317

10380055 has 16 divisors (see below), whose sum is σ = 14333760. Its totient is φ = 7068672.

The previous prime is 10380053. The next prime is 10380077. The reversal of 10380055 is 55008301.

It is a cyclic number.

It is not a de Polignac number, because 10380055 - 21 = 10380053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10380053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4551 + ... + 6439.

It is an arithmetic number, because the mean of its divisors is an integer number (895860).

Almost surely, 210380055 is an apocalyptic number.

10380055 is a deficient number, since it is larger than the sum of its proper divisors (3953705).

10380055 is a wasteful number, since it uses less digits than its factorization.

10380055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 10380055 is about 3221.8092743054. The cubic root of 10380055 is about 218.1389499375.

Adding to 10380055 its reverse (55008301), we get a palindrome (65388356).

The spelling of 10380055 in words is "ten million, three hundred eighty thousand, fifty-five".

Divisors: 1 5 7 35 157 785 1099 1889 5495 9445 13223 66115 296573 1482865 2076011 10380055