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4285445 = 51750417
BaseRepresentation
bin10000010110010000000101
322001201112012
4100112100011
52044113240
6231504005
751266003
oct20262005
98051465
104285445
11246779a
121528005
13b70788
147d7a73
15599b65
hex416405

4285445 has 8 divisors (see below), whose sum is σ = 5445144. Its totient is φ = 3226624.

The previous prime is 4285427. The next prime is 4285447. The reversal of 4285445 is 5445824.

It can be written as a sum of positive squares in 4 ways, for example, as 591361 + 3694084 = 769^2 + 1922^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4285445 - 26 = 4285381 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4285447) by changing a digit.

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, 25124 + ... + 25293.

It is an arithmetic number, because the mean of its divisors is an integer number (680643).

Almost surely, 24285445 is an apocalyptic number.

It is an amenable number.

4285445 is a deficient number, since it is larger than the sum of its proper divisors (1159699).

4285445 is a wasteful number, since it uses less digits than its factorization.

4285445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50439.

The product of its digits is 25600, while the sum is 32.

The square root of 4285445 is about 2070.1316383264. The cubic root of 4285445 is about 162.4296500216.

The spelling of 4285445 in words is "four million, two hundred eighty-five thousand, four hundred forty-five".

Divisors: 1 5 17 85 50417 252085 857089 4285445