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6200105 = 51240021
BaseRepresentation
bin10111101001101100101001
3102122222221112
4113221230221
53041400410
6340520105
7103462052
oct27515451
912588845
106200105
11355525a
1220b0035
131391102
14b75729
15827105
hex5e9b29

6200105 has 4 divisors (see below), whose sum is σ = 7440132. Its totient is φ = 4960080.

The previous prime is 6200081. The next prime is 6200107. The reversal of 6200105 is 5010026.

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 4541161 + 1658944 = 2131^2 + 1288^2 .

It is not a de Polignac number, because 6200105 - 212 = 6196009 is a prime.

It is a super-2 number, since 2×62001052 = 76882604022050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6200105.

It is not an unprimeable number, because it can be changed into a prime (6200107) 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 3 ways as a sum of consecutive naturals, for example, 620006 + ... + 620015.

It is an arithmetic number, because the mean of its divisors is an integer number (1860033).

Almost surely, 26200105 is an apocalyptic number.

It is an amenable number.

6200105 is a deficient number, since it is larger than the sum of its proper divisors (1240027).

6200105 is a wasteful number, since it uses less digits than its factorization.

6200105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240026.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 6200105 is about 2490.0010040159. The cubic root of 6200105 is about 183.7100920628.

The spelling of 6200105 in words is "six million, two hundred thousand, one hundred five".

Divisors: 1 5 1240021 6200105