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4227540 = 223570459
BaseRepresentation
bin10000001000000111010100
321221210002120
4100020013110
52040240130
6230335540
750635122
oct20100724
97853076
104227540
112428239
1214ba5b0
13b50305
147c0912
15587910
hex4081d4

4227540 has 24 divisors (see below), whose sum is σ = 11837280. Its totient is φ = 1127328.

The previous prime is 4227529. The next prime is 4227571. The reversal of 4227540 is 457224.

It is a d-powerful number, because it can be written as 47 + 221 + 221 + 73 + 53 + 47 + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 4227540.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 35170 + ... + 35289.

It is an arithmetic number, because the mean of its divisors is an integer number (493220).

Almost surely, 24227540 is an apocalyptic number.

It is an amenable number.

4227540 is an abundant number, since it is smaller than the sum of its proper divisors (7609740).

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

4227540 is a wasteful number, since it uses less digits than its factorization.

4227540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70471 (or 70469 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 4227540 is about 2056.0982466799. The cubic root of 4227540 is about 161.6947460113.

The spelling of 4227540 in words is "four million, two hundred twenty-seven thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 70459 140918 211377 281836 352295 422754 704590 845508 1056885 1409180 2113770 4227540