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4638085 = 51138209
BaseRepresentation
bin10001101100010110000101
322201122020221
4101230112011
52141404320
6243224341
754265054
oct21542605
98648227
104638085
112688731
1216780b1
13c6513a
1488a39b
156193aa
hex46c585

4638085 has 8 divisors (see below), whose sum is σ = 5615640. Its totient is φ = 3677184.

The previous prime is 4638077. The next prime is 4638089. The reversal of 4638085 is 5808364.

It can be written as a sum of positive squares in 4 ways, for example, as 315844 + 4322241 = 562^2 + 2079^2 .

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 4638085 - 23 = 4638077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4638085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4638089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3540 + ... + 4669.

It is an arithmetic number, because the mean of its divisors is an integer number (701955).

Almost surely, 24638085 is an apocalyptic number.

It is an amenable number.

4638085 is a deficient number, since it is larger than the sum of its proper divisors (977555).

4638085 is a wasteful number, since it uses less digits than its factorization.

4638085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8327.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 4638085 is about 2153.6213687647. The cubic root of 4638085 is about 166.7680694035.

The spelling of 4638085 in words is "four million, six hundred thirty-eight thousand, eighty-five".

Divisors: 1 5 113 565 8209 41045 927617 4638085