Search a number
-
+
54299021 = 723337261
BaseRepresentation
bin1100111100100…
…0100110001101
310210011200020212
43033020212031
5102400032041
65215452205
71226351120
oct317104615
9123150225
1054299021
1128717727
1216227065
13b3320ca
1472d63b7
154b788eb
hex33c898d

54299021 has 8 divisors (see below), whose sum is σ = 64754304. Its totient is φ = 44518320.

The previous prime is 54298997. The next prime is 54299029. The reversal of 54299021 is 12099245.

54299021 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 54299021 - 26 = 54298957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54299029) 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, 168470 + ... + 168791.

It is an arithmetic number, because the mean of its divisors is an integer number (8094288).

Almost surely, 254299021 is an apocalyptic number.

It is an amenable number.

54299021 is a deficient number, since it is larger than the sum of its proper divisors (10455283).

54299021 is a wasteful number, since it uses less digits than its factorization.

54299021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337291.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 54299021 is about 7368.7869422314. The cubic root of 54299021 is about 378.6727030952.

The spelling of 54299021 in words is "fifty-four million, two hundred ninety-nine thousand, twenty-one".

Divisors: 1 7 23 161 337261 2360827 7757003 54299021