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38026105 = 5132920173
BaseRepresentation
bin1001000100001…
…1101101111001
32122112221000021
42101003231321
534213313410
63435010441
7641134165
oct221035571
978487007
1038026105
111a512637
1210899a21
137b55270
14509bca5
153511eda
hex2443b79

38026105 has 16 divisors (see below), whose sum is σ = 50838480. Its totient is φ = 27111168.

The previous prime is 38026103. The next prime is 38026111. The reversal of 38026105 is 50162083.

It is a happy number.

38026105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 522729 + 37503376 = 723^2 + 6124^2 .

It is a cyclic number.

It is not a de Polignac number, because 38026105 - 21 = 38026103 is a prime.

It is a super-2 number, since 2×380261052 = 2891969322942050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38026105.

It is not an unprimeable number, because it can be changed into a prime (38026103) 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, 8202 + ... + 11971.

It is an arithmetic number, because the mean of its divisors is an integer number (3177405).

Almost surely, 238026105 is an apocalyptic number.

It is an amenable number.

38026105 is a deficient number, since it is larger than the sum of its proper divisors (12812375).

38026105 is a wasteful number, since it uses less digits than its factorization.

38026105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20220.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 38026105 is about 6166.5310345445. The cubic root of 38026105 is about 336.2745093452.

Adding to 38026105 its reverse (50162083), we get a palindrome (88188188).

The spelling of 38026105 in words is "thirty-eight million, twenty-six thousand, one hundred five".

Divisors: 1 5 13 29 65 145 377 1885 20173 100865 262249 585017 1311245 2925085 7605221 38026105