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54250220 = 2254757713
BaseRepresentation
bin1100111011110…
…0101011101100
310210002012022102
43032330223230
5102342001340
65214434232
71226055623
oct316745354
9123065272
1054250220
1128693aa2
1216202978
13b315b2b
1472c26ba
154b69215
hex33bcaec

54250220 has 24 divisors (see below), whose sum is σ = 116351424. Its totient is φ = 21238016.

The previous prime is 54250199. The next prime is 54250237. The reversal of 54250220 is 2205245.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 54250192 and 54250201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27917 + ... + 29796.

It is an arithmetic number, because the mean of its divisors is an integer number (4847976).

Almost surely, 254250220 is an apocalyptic number.

It is an amenable number.

54250220 is an abundant number, since it is smaller than the sum of its proper divisors (62101204).

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

54250220 is a wasteful number, since it uses less digits than its factorization.

54250220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57769 (or 57767 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 54250220 is about 7365.4748658861. The cubic root of 54250220 is about 378.5592256318.

Adding to 54250220 its reverse (2205245), we get a palindrome (56455465).

The spelling of 54250220 in words is "fifty-four million, two hundred fifty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 57713 115426 230852 288565 577130 1154260 2712511 5425022 10850044 13562555 27125110 54250220