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6169 = 31199
BaseRepresentation
bin1100000011001
322110111
41200121
5144134
644321
723662
oct14031
98414
106169
1146a9
1236a1
132a67
142369
151c64
hex1819

6169 has 4 divisors (see below), whose sum is σ = 6400. Its totient is φ = 5940.

The previous prime is 6163. The next prime is 6173. The reversal of 6169 is 9616.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6169 - 29 = 5657 is a prime.

It is a super-2 number, since 2×61692 = 76113122, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (6163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69 + ... + 130.

It is an arithmetic number, because the mean of its divisors is an integer number (1600).

26169 is an apocalyptic number.

It is an amenable number.

6169 is a deficient number, since it is larger than the sum of its proper divisors (231).

6169 is a wasteful number, since it uses less digits than its factorization.

6169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its digits is 324, while the sum is 22.

The square root of 6169 is about 78.5429818634. The cubic root of 6169 is about 18.3402361518.

It can be divided in two parts, 616 and 9, that added together give a 4-th power (625 = 54).

The spelling of 6169 in words is "six thousand, one hundred sixty-nine".

Divisors: 1 31 199 6169