Search a number
-
+
54394923 = 31129113503
BaseRepresentation
bin1100111110000…
…0000000101011
310210100112210210
43033200000223
5102411114143
65221512203
71230230532
oct317400053
9123315723
1054394923
1128782790
1216272663
13b36695b
14731d319
154b97033
hex33e002b

54394923 has 32 divisors (see below), whose sum is σ = 82736640. Its totient is φ = 31485440.

The previous prime is 54394913. The next prime is 54394937. The reversal of 54394923 is 32949345.

It is a cyclic number.

It is not a de Polignac number, because 54394923 - 28 = 54394667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54394913) 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 31 ways as a sum of consecutive naturals, for example, 107890 + ... + 108392.

It is an arithmetic number, because the mean of its divisors is an integer number (2585520).

Almost surely, 254394923 is an apocalyptic number.

54394923 is a deficient number, since it is larger than the sum of its proper divisors (28341717).

54394923 is a wasteful number, since it uses less digits than its factorization.

54394923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659.

The product of its digits is 116640, while the sum is 39.

The square root of 54394923 is about 7375.2913840743. The cubic root of 54394923 is about 378.8955070546.

The spelling of 54394923 in words is "fifty-four million, three hundred ninety-four thousand, nine hundred twenty-three".

Divisors: 1 3 11 29 33 87 113 319 339 503 957 1243 1509 3277 3729 5533 9831 14587 16599 36047 43761 56839 108141 160457 170517 481371 625229 1648331 1875687 4944993 18131641 54394923