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54105420 = 22351098273
BaseRepresentation
bin1100111001100…
…1010101001100
310202210211200110
43032121111030
5102322333140
65211400020
71224613515
oct316312514
9122724613
1054105420
11285a5226
1216153010
13b294c55
147285a0c
154b3b380
hex339954c

54105420 has 48 divisors (see below), whose sum is σ = 152903520. Its totient is φ = 14294016.

The previous prime is 54105409. The next prime is 54105437. The reversal of 54105420 is 2450145.

54105420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 2404 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (3185490).

Almost surely, 254105420 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 54105420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76451760).

54105420 is an abundant number, since it is smaller than the sum of its proper divisors (98798100).

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

54105420 is a wasteful number, since it uses less digits than its factorization.

54105420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8394 (or 8392 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 54105420 is about 7355.6386534413. The cubic root of 54105420 is about 378.2221196698. Note that the first 3 decimals are identical.

Adding to 54105420 its reverse (2450145), we get a palindrome (56555565).

The spelling of 54105420 in words is "fifty-four million, one hundred five thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 109 218 327 436 545 654 1090 1308 1635 2180 3270 6540 8273 16546 24819 33092 41365 49638 82730 99276 124095 165460 248190 496380 901757 1803514 2705271 3607028 4508785 5410542 9017570 10821084 13526355 18035140 27052710 54105420