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4227500 = 22541989
BaseRepresentation
bin10000001000000110101100
321221210001002
4100020012230
52040240000
6230335432
750635034
oct20100654
97853032
104227500
112428202
1214ba578
13b502a4
147c08c4
155878d5
hex4081ac

4227500 has 60 divisors (see below), whose sum is σ = 9840600. Its totient is φ = 1584000.

The previous prime is 4227491. The next prime is 4227511. The reversal of 4227500 is 57224.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 47 + 221 + 221 + 75 + 5 + 0 + 0 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47456 + ... + 47544.

It is an arithmetic number, because the mean of its divisors is an integer number (164010).

Almost surely, 24227500 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 4227500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4920300).

4227500 is an abundant number, since it is smaller than the sum of its proper divisors (5613100).

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

4227500 is a wasteful number, since it uses less digits than its factorization.

4227500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 4227500 is about 2056.0885194952. The cubic root of 4227500 is about 161.6942360370.

The spelling of 4227500 in words is "four million, two hundred twenty-seven thousand, five hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 89 95 100 125 178 190 250 356 380 445 475 500 625 890 950 1250 1691 1780 1900 2225 2375 2500 3382 4450 4750 6764 8455 8900 9500 11125 11875 16910 22250 23750 33820 42275 44500 47500 55625 84550 111250 169100 211375 222500 422750 845500 1056875 2113750 4227500