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38091055 = 57618211
BaseRepresentation
bin1001000101001…
…1100100101111
32122200020002211
42101103210233
534222403210
63440231251
7641524432
oct221234457
978606084
1038091055
111a557412
121090b527
137b789b2
1450b7819
15352638a
hex245392f

38091055 has 4 divisors (see below), whose sum is σ = 45709272. Its totient is φ = 30472840.

The previous prime is 38091043. The next prime is 38091061. The reversal of 38091055 is 55019083.

38091055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 38091055 - 217 = 37959983 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 3809101 + ... + 3809110.

It is an arithmetic number, because the mean of its divisors is an integer number (11427318).

Almost surely, 238091055 is an apocalyptic number.

38091055 is a deficient number, since it is larger than the sum of its proper divisors (7618217).

38091055 is an equidigital number, since it uses as much as digits as its factorization.

38091055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7618216.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 38091055 is about 6171.7951197362. The cubic root of 38091055 is about 336.4658568950.

The spelling of 38091055 in words is "thirty-eight million, ninety-one thousand, fifty-five".

Divisors: 1 5 7618211 38091055