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54342220 = 2254166271
BaseRepresentation
bin1100111101001…
…1001001001100
310210020212111211
43033103021030
5102402422340
65220424204
71226621062
oct317231114
9123225454
1054342220
1128747129
1216248064
13b34897a
147308032
154b865ea
hex33d324c

54342220 has 24 divisors (see below), whose sum is σ = 116903808. Its totient is φ = 21206400.

The previous prime is 54342209. The next prime is 54342227. The reversal of 54342220 is 2224345.

54342220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 54342191 and 54342200.

It is not an unprimeable number, because it can be changed into a prime (54342227) by changing a digit.

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, 32316 + ... + 33955.

It is an arithmetic number, because the mean of its divisors is an integer number (4870992).

Almost surely, 254342220 is an apocalyptic number.

It is an amenable number.

54342220 is an abundant number, since it is smaller than the sum of its proper divisors (62561588).

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

54342220 is a wasteful number, since it uses less digits than its factorization.

54342220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66321 (or 66319 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 54342220 is about 7371.7175746226. The cubic root of 54342220 is about 378.7730974525.

Adding to 54342220 its reverse (2224345), we get a palindrome (56566565).

The spelling of 54342220 in words is "fifty-four million, three hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 66271 132542 265084 331355 662710 1325420 2717111 5434222 10868444 13585555 27171110 54342220