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8038285 = 512171321
BaseRepresentation
bin11110101010011110001101
3120010101110021
4132222132031
54024211120
6444142141
7125216143
oct36523615
916111407
108038285
1145a0312
122837951
1318859a8
1410d3593
15a8baaa
hex7aa78d

8038285 has 8 divisors (see below), whose sum is σ = 9661176. Its totient is φ = 6420480.

The previous prime is 8038279. The next prime is 8038313. The reversal of 8038285 is 5828308.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1798281 + 6240004 = 1341^2 + 2498^2 .

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

It is not a de Polignac number, because 8038285 - 25 = 8038253 is a prime.

It is a super-2 number, since 2×80382852 = 129228051482450, which contains 22 as substring.

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 8038285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5425 + ... + 6745.

It is an arithmetic number, because the mean of its divisors is an integer number (1207647).

Almost surely, 28038285 is an apocalyptic number.

It is an amenable number.

8038285 is a deficient number, since it is larger than the sum of its proper divisors (1622891).

8038285 is a wasteful number, since it uses less digits than its factorization.

8038285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 8038285 is about 2835.1869426900. The cubic root of 8038285 is about 200.3185340775.

The spelling of 8038285 in words is "eight million, thirty-eight thousand, two hundred eighty-five".

Divisors: 1 5 1217 1321 6085 6605 1607657 8038285