Search a number
-
+
54093993 = 3178910079
BaseRepresentation
bin1100111001011…
…0100010101001
310202210021000020
43032112202221
5102322001433
65211231053
71224535302
oct316264251
9122707006
1054093993
1128597688
1216148489
13b28c9a5
1472817a9
154b37cb3
hex33968a9

54093993 has 8 divisors (see below), whose sum is σ = 72172800. Its totient is φ = 36038928.

The previous prime is 54093967. The next prime is 54093997. The reversal of 54093993 is 39939045.

It is a happy number.

54093993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 54093993 - 26 = 54093929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54093997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328 + ... + 10406.

It is an arithmetic number, because the mean of its divisors is an integer number (9021600).

Almost surely, 254093993 is an apocalyptic number.

It is an amenable number.

54093993 is a deficient number, since it is larger than the sum of its proper divisors (18078807).

54093993 is a wasteful number, since it uses less digits than its factorization.

54093993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 54093993 is about 7354.8618613812. The cubic root of 54093993 is about 378.1954911087.

The spelling of 54093993 in words is "fifty-four million, ninety-three thousand, nine hundred ninety-three".

Divisors: 1 3 1789 5367 10079 30237 18031331 54093993