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54223040 = 265295843
BaseRepresentation
bin1100111011011…
…0000011000000
310210000211000202
43032312003000
5102340114130
65214104332
71225613444
oct316660300
9123024022
1054223040
1128675633
12161ab0a8
13b306651
1472b6824
154b61145
hex33b60c0

54223040 has 56 divisors (see below), whose sum is σ = 133593840. Its totient is φ = 20937728.

The previous prime is 54223021. The next prime is 54223049. The reversal of 54223040 is 4032245.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (54223049) 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 7 ways as a sum of consecutive naturals, for example, 6359 + ... + 12201.

Almost surely, 254223040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66796920).

54223040 is an abundant number, since it is smaller than the sum of its proper divisors (79370800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54223040 is a wasteful number, since it uses less digits than its factorization.

54223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889 (or 5879 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 54223040 is about 7363.6295398397. The cubic root of 54223040 is about 378.4959941920.

Adding to 54223040 its reverse (4032245), we get a palindrome (58255285).

The spelling of 54223040 in words is "fifty-four million, two hundred twenty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 64 80 116 145 160 232 290 320 464 580 928 1160 1856 2320 4640 5843 9280 11686 23372 29215 46744 58430 93488 116860 169447 186976 233720 338894 373952 467440 677788 847235 934880 1355576 1694470 1869760 2711152 3388940 5422304 6777880 10844608 13555760 27111520 54223040