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4190245 = 51749297
BaseRepresentation
bin1111111111000000100101
321212212221021
433333000211
52033041440
6225451141
750421313
oct17770045
97785837
104190245
112402214
1214a0ab1
13b39347
147b10b3
1557b84a
hex3ff025

4190245 has 8 divisors (see below), whose sum is σ = 5324184. Its totient is φ = 3154944.

The previous prime is 4190237. The next prime is 4190257. The reversal of 4190245 is 5420914.

It can be written as a sum of positive squares in 4 ways, for example, as 101761 + 4088484 = 319^2 + 2022^2 .

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 4190245 - 23 = 4190237 is a prime.

It is a Duffinian number.

4190245 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24564 + ... + 24733.

It is an arithmetic number, because the mean of its divisors is an integer number (665523).

Almost surely, 24190245 is an apocalyptic number.

It is an amenable number.

4190245 is a deficient number, since it is larger than the sum of its proper divisors (1133939).

4190245 is a wasteful number, since it uses less digits than its factorization.

4190245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49319.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 4190245 is about 2047.0087933372. The cubic root of 4190245 is about 161.2178550991.

The spelling of 4190245 in words is "four million, one hundred ninety thousand, two hundred forty-five".

Divisors: 1 5 17 85 49297 246485 838049 4190245