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54100000 = 2555541
BaseRepresentation
bin1100111001100…
…0000000100000
310202210120020201
43032120000200
5102322200000
65211314544
71224561643
oct316300040
9122716221
1054100000
11285a1149
121614ba54
13b292646
147283a5a
154b3996a
hex3398020

54100000 has 72 divisors (see below), whose sum is σ = 133374276. Its totient is φ = 21600000.

The previous prime is 54099989. The next prime is 54100009. The reversal of 54100000 is 145.

It can be written as a sum of positive squares in 6 ways, for example, as 8456464 + 45643536 = 2908^2 + 6756^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 54100000.

It is not an unprimeable number, because it can be changed into a prime (54100009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99730 + ... + 100270.

Almost surely, 254100000 is an apocalyptic number.

54100000 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 54100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66687138).

54100000 is an abundant number, since it is smaller than the sum of its proper divisors (79274276).

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

54100000 is an frugal number, since it uses more digits than its factorization.

54100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 54100000 is about 7355.2702193733. The cubic root of 54100000 is about 378.2094898055.

Adding to 54100000 its reverse (145), we get a palindrome (54100145).

The spelling of 54100000 in words is "fifty-four million, one hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 541 625 800 1000 1082 1250 2000 2164 2500 2705 3125 4000 4328 5000 5410 6250 8656 10000 10820 12500 13525 17312 20000 21640 25000 27050 43280 50000 54100 67625 86560 100000 108200 135250 216400 270500 338125 432800 541000 676250 1082000 1352500 1690625 2164000 2705000 3381250 5410000 6762500 10820000 13525000 27050000 54100000