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54121600 = 2752131301
BaseRepresentation
bin1100111001110…
…1010010000000
310202211122212201
43032131102000
5102323342400
65212002544
71225011631
oct316352200
9122748781
1054121600
11286063a5
1216160454
13b29c420
14728b888
154b4106a
hex339d480

54121600 has 96 divisors (see below), whose sum is σ = 144092340. Its totient is φ = 19968000.

The previous prime is 54121589. The next prime is 54121601. The reversal of 54121600 is 612145.

It can be written as a sum of positive squares in 6 ways, for example, as 304704 + 53816896 = 552^2 + 7336^2 .

It is not an unprimeable number, because it can be changed into a prime (54121601) 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 11 ways as a sum of consecutive naturals, for example, 40950 + ... + 42250.

Almost surely, 254121600 is an apocalyptic number.

54121600 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 54121600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72046170).

54121600 is an abundant number, since it is smaller than the sum of its proper divisors (89970740).

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

54121600 is a wasteful number, since it uses less digits than its factorization.

54121600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 54121600 is about 7356.7384077456. The cubic root of 54121600 is about 378.2598178276.

Adding to 54121600 its reverse (612145), we get a palindrome (54733745).

The spelling of 54121600 in words is "fifty-four million, one hundred twenty-one thousand, six hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 104 128 130 160 200 208 260 320 325 400 416 520 640 650 800 832 1040 1300 1301 1600 1664 2080 2600 2602 3200 4160 5200 5204 6505 8320 10400 10408 13010 16913 20800 20816 26020 32525 33826 41600 41632 52040 65050 67652 83264 84565 104080 130100 135304 166528 169130 208160 260200 270608 338260 416320 422825 520400 541216 676520 832640 845650 1040800 1082432 1353040 1691300 2081600 2164864 2706080 3382600 4163200 5412160 6765200 10824320 13530400 27060800 54121600