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4305245 = 57123007
BaseRepresentation
bin10000011011000101011101
322002201200112
4100123011131
52100231440
6232135405
751410510
oct20330535
98081615
104305245
11248065a
121537565
13b797a9
14800d77
155a0965
hex41b15d

4305245 has 8 divisors (see below), whose sum is σ = 5904384. Its totient is φ = 2952144.

The previous prime is 4305241. The next prime is 4305269. The reversal of 4305245 is 5425034.

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 4305245 - 22 = 4305241 is a prime.

It is a d-powerful number, because it can be written as 42 + 33 + 0 + 5 + 215 + 411 + 57 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4305245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4305241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61469 + ... + 61538.

It is an arithmetic number, because the mean of its divisors is an integer number (738048).

Almost surely, 24305245 is an apocalyptic number.

It is an amenable number.

4305245 is a deficient number, since it is larger than the sum of its proper divisors (1599139).

4305245 is a wasteful number, since it uses less digits than its factorization.

4305245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123019.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 4305245 is about 2074.9084317145. The cubic root of 4305245 is about 162.6794231202.

The spelling of 4305245 in words is "four million, three hundred five thousand, two hundred forty-five".

Divisors: 1 5 7 35 123007 615035 861049 4305245