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2038105 = 5407621
BaseRepresentation
bin111110001100101011001
310211112202101
413301211121
51010204410
6111403401
723215666
oct7614531
93745671
102038105
111172293
12823561
135648a4
143b0a6d
152a3d3a
hex1f1959

2038105 has 4 divisors (see below), whose sum is σ = 2445732. Its totient is φ = 1630480.

The previous prime is 2038103. The next prime is 2038117. The reversal of 2038105 is 5018302.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1108809 + 929296 = 1053^2 + 964^2 .

It is not a de Polignac number, because 2038105 - 21 = 2038103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2038103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203806 + ... + 203815.

It is an arithmetic number, because the mean of its divisors is an integer number (611433).

22038105 is an apocalyptic number.

It is an amenable number.

2038105 is a deficient number, since it is larger than the sum of its proper divisors (407627).

2038105 is an equidigital number, since it uses as much as digits as its factorization.

2038105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407626.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2038105 is about 1427.6221488895. The cubic root of 2038105 is about 126.7872313135.

The spelling of 2038105 in words is "two million, thirty-eight thousand, one hundred five".

Divisors: 1 5 407621 2038105