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73423 = 717617
BaseRepresentation
bin10001111011001111
310201201101
4101323033
54322143
61323531
7424030
oct217317
9121641
1073423
1150189
12365a7
132755c
141ca87
1516b4d
hex11ecf

73423 has 8 divisors (see below), whose sum is σ = 88992. Its totient is φ = 59136.

The previous prime is 73421. The next prime is 73433. The reversal of 73423 is 32437.

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

It is not a de Polignac number, because 73423 - 21 = 73421 is a prime.

It is a d-powerful number, because it can be written as 74 + 37 + 47 + 215 + 39 .

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 73423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190 + ... + 427.

It is an arithmetic number, because the mean of its divisors is an integer number (11124).

273423 is an apocalyptic number.

73423 is a deficient number, since it is larger than the sum of its proper divisors (15569).

73423 is a wasteful number, since it uses less digits than its factorization.

73423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its digits is 504, while the sum is 19.

The square root of 73423 is about 270.9667876327. The cubic root of 73423 is about 41.8739607673.

It can be divided in two parts, 734 and 23, that added together give a palindrome (757).

The spelling of 73423 in words is "seventy-three thousand, four hundred twenty-three", and thus it is an iban number.

Divisors: 1 7 17 119 617 4319 10489 73423