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4250020 = 225212501
BaseRepresentation
bin10000001101100110100100
321222220221011
4100031212210
52042000040
6231032004
751060505
oct20154644
97886834
104250020
112443115
12150b604
13b5a608
147c8bac
1558e3ea
hex40d9a4

4250020 has 12 divisors (see below), whose sum is σ = 8925084. Its totient is φ = 1700000.

The previous prime is 4249981. The next prime is 4250021. The reversal of 4250020 is 200524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2795584 + 1454436 = 1672^2 + 1206^2 .

It is not an unprimeable number, because it can be changed into a prime (4250021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106231 + ... + 106270.

It is an arithmetic number, because the mean of its divisors is an integer number (743757).

Almost surely, 24250020 is an apocalyptic number.

It is an amenable number.

4250020 is an abundant number, since it is smaller than the sum of its proper divisors (4675064).

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

4250020 is a wasteful number, since it uses less digits than its factorization.

4250020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212510 (or 212508 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 4250020 is about 2061.5576635156. The cubic root of 4250020 is about 161.9808441507.

Adding to 4250020 its reverse (200524), we get a palindrome (4450544).

The spelling of 4250020 in words is "four million, two hundred fifty thousand, twenty".

Divisors: 1 2 4 5 10 20 212501 425002 850004 1062505 2125010 4250020