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54103220 = 2257337057
BaseRepresentation
bin1100111001100…
…0110010110100
310202210201122222
43032120302310
5102322300340
65211341512
71224604223
oct316306264
9122721588
1054103220
11285a3606
1216151898
13b293c52
147284cba
154b3a8b5
hex3398cb4

54103220 has 24 divisors (see below), whose sum is σ = 115176264. Its totient is φ = 21344256.

The previous prime is 54103219. The next prime is 54103243. The reversal of 54103220 is 2230145.

54103220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18438436 + 35664784 = 4294^2 + 5972^2 .

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 7 ways as a sum of consecutive naturals, for example, 17069 + ... + 19988.

It is an arithmetic number, because the mean of its divisors is an integer number (4799011).

Almost surely, 254103220 is an apocalyptic number.

It is an amenable number.

54103220 is an abundant number, since it is smaller than the sum of its proper divisors (61073044).

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

54103220 is a wasteful number, since it uses less digits than its factorization.

54103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37139 (or 37137 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 54103220 is about 7355.4891067828. The cubic root of 54103220 is about 378.2169932583.

Adding to 54103220 its reverse (2230145), we get a palindrome (56333365).

The spelling of 54103220 in words is "fifty-four million, one hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 37057 74114 148228 185285 370570 741140 2705161 5410322 10820644 13525805 27051610 54103220