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4250320 = 24553129
BaseRepresentation
bin10000001101101011010000
321222221100021
4100031223100
52042002240
6231033224
751061414
oct20155320
97887307
104250320
112443368
12150b814
13b5a7a9
147c8d44
1558e54a
hex40dad0

4250320 has 20 divisors (see below), whose sum is σ = 9882180. Its totient is φ = 1700096.

The previous prime is 4250303. The next prime is 4250321. The reversal of 4250320 is 230524.

It can be written as a sum of positive squares in 2 ways, for example, as 2742336 + 1507984 = 1656^2 + 1228^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 4250294 and 4250303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4250321) 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, 26485 + ... + 26644.

It is an arithmetic number, because the mean of its divisors is an integer number (494109).

Almost surely, 24250320 is an apocalyptic number.

4250320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4250320 is an abundant number, since it is smaller than the sum of its proper divisors (5631860).

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

4250320 is a wasteful number, since it uses less digits than its factorization.

4250320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53142 (or 53136 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 4250320 is about 2061.6304227480. The cubic root of 4250320 is about 161.9846553570.

Adding to 4250320 its reverse (230524), we get a palindrome (4480844).

The spelling of 4250320 in words is "four million, two hundred fifty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 53129 106258 212516 265645 425032 531290 850064 1062580 2125160 4250320