Search a number
-
+
45993 = 315331
BaseRepresentation
bin1011001110101001
32100002110
423032221
52432433
6552533
7251043
oct131651
970073
1045993
1131612
1222749
1317c1c
1412a93
15d963
hexb3a9

45993 has 4 divisors (see below), whose sum is σ = 61328. Its totient is φ = 30660.

The previous prime is 45989. The next prime is 46021. The reversal of 45993 is 39954.

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 not a de Polignac number, because 45993 - 22 = 45989 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 45993.

It is not an unprimeable number, because it can be changed into a prime (45943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7663 + ... + 7668.

It is an arithmetic number, because the mean of its divisors is an integer number (15332).

245993 is an apocalyptic number.

It is an amenable number.

45993 is a deficient number, since it is larger than the sum of its proper divisors (15335).

45993 is a wasteful number, since it uses less digits than its factorization.

45993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15334.

The product of its digits is 4860, while the sum is 30.

The square root of 45993 is about 214.4597864403. The cubic root of 45993 is about 35.8286611299.

The spelling of 45993 in words is "forty-five thousand, nine hundred ninety-three".

Divisors: 1 3 15331 45993