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54220000 = 25542711
BaseRepresentation
bin1100111011010…
…1010011100000
310210000122212011
43032311103200
5102340020000
65214042304
71225601542
oct316652340
9123018764
1054220000
112867331a
12161a9394
13b305153
1472b5692
154b602ba
hex33b54e0

54220000 has 60 divisors (see below), whose sum is σ = 133438536. Its totient is φ = 21680000.

The previous prime is 54219973. The next prime is 54220031. The reversal of 54220000 is 2245.

It is a happy number.

54220000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 18645 + ... + 21355.

Almost surely, 254220000 is an apocalyptic number.

54220000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66719268).

54220000 is an abundant number, since it is smaller than the sum of its proper divisors (79218536).

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

54220000 is an equidigital number, since it uses as much as digits as its factorization.

54220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741 (or 2718 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 54220000 is about 7363.4231170020. The cubic root of 54220000 is about 378.4889206347.

Adding to 54220000 its reverse (2245), we get a palindrome (54222245).

The spelling of 54220000 in words is "fifty-four million, two hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 2711 4000 5000 5422 10000 10844 13555 20000 21688 27110 43376 54220 67775 86752 108440 135550 216880 271100 338875 433760 542200 677750 1084400 1355500 1694375 2168800 2711000 3388750 5422000 6777500 10844000 13555000 27110000 54220000