Search a number
-
+
69673 = 192193
BaseRepresentation
bin10001000000101001
310112120111
4101000221
54212143
61254321
7410062
oct210051
9115514
1069673
114838a
12343a1
1325936
141b569
151599d
hex11029

69673 has 6 divisors (see below), whose sum is σ = 73914. Its totient is φ = 65664.

The previous prime is 69661. The next prime is 69677. The reversal of 69673 is 37696.

It can be written as a sum of positive squares in only one way, i.e., 51984 + 17689 = 228^2 + 133^2 .

It is a de Polignac number, because none of the positive numbers 2k-69673 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (69677) 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 5 ways as a sum of consecutive naturals, for example, 265 + ... + 457.

It is an arithmetic number, because the mean of its divisors is an integer number (12319).

269673 is an apocalyptic number.

It is an amenable number.

69673 is a deficient number, since it is larger than the sum of its proper divisors (4241).

69673 is a wasteful number, since it uses less digits than its factorization.

69673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 212 counting only the distinct ones).

The product of its digits is 6804, while the sum is 31.

The square root of 69673 is about 263.9564357995. The cubic root of 69673 is about 41.1485785097.

The spelling of 69673 in words is "sixty-nine thousand, six hundred seventy-three".

Divisors: 1 19 193 361 3667 69673