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7049 = 71953
BaseRepresentation
bin1101110001001
3100200002
41232021
5211144
652345
726360
oct15611
910602
107049
115329
1240b5
133293
1427d7
15214e
hex1b89

7049 has 8 divisors (see below), whose sum is σ = 8640. Its totient is φ = 5616.

The previous prime is 7043. The next prime is 7057. The reversal of 7049 is 9407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7049 - 28 = 6793 is a prime.

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 7049.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 7049.

It is not an unprimeable number, because it can be changed into a prime (7043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107 + ... + 159.

It is an arithmetic number, because the mean of its divisors is an integer number (1080).

27049 is an apocalyptic number.

It is an amenable number.

7049 is a deficient number, since it is larger than the sum of its proper divisors (1591).

7049 is a wasteful number, since it uses less digits than its factorization.

7049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 7049 is about 83.9583229942. The cubic root of 7049 is about 19.1738431433.

It can be divided in two parts, 704 and 9, that multiplied together give a palindrome (6336).

The spelling of 7049 in words is "seven thousand, forty-nine".

Divisors: 1 7 19 53 133 371 1007 7049