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74893 = 713823
BaseRepresentation
bin10010010010001101
310210201211
4102102031
54344033
61334421
7431230
oct222215
9123654
1074893
11512a5
1237411
1328120
141d417
15172cd
hex1248d

74893 has 8 divisors (see below), whose sum is σ = 92288. Its totient is φ = 59184.

The previous prime is 74891. The next prime is 74897. The reversal of 74893 is 39847.

It is a happy number.

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 74893 - 21 = 74891 is a prime.

It is a super-2 number, since 2×748932 = 11217922898, which contains 22 as substring.

74893 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74891) 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, 321 + ... + 502.

It is an arithmetic number, because the mean of its divisors is an integer number (11536).

274893 is an apocalyptic number.

It is an amenable number.

74893 is a deficient number, since it is larger than the sum of its proper divisors (17395).

74893 is a wasteful number, since it uses less digits than its factorization.

74893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843.

The product of its digits is 6048, while the sum is 31.

The square root of 74893 is about 273.6658546476. The cubic root of 74893 is about 42.1515687658.

It can be divided in two parts, 748 and 93, that added together give a square (841 = 292).

The spelling of 74893 in words is "seventy-four thousand, eight hundred ninety-three".

Divisors: 1 7 13 91 823 5761 10699 74893