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8006285 = 57228751
BaseRepresentation
bin11110100010101010001101
3120001202120002
4132202222031
54022200120
6443334045
7125023640
oct36425215
916052502
108006285
114579271
122821325
131874261
1410c5a57
15a82375
hex7a2a8d

8006285 has 8 divisors (see below), whose sum is σ = 10980096. Its totient is φ = 5490000.

The previous prime is 8006281. The next prime is 8006287. The reversal of 8006285 is 5826008.

It is a happy number.

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

It is not a de Polignac number, because 8006285 - 22 = 8006281 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8006281) 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, 114341 + ... + 114410.

It is an arithmetic number, because the mean of its divisors is an integer number (1372512).

Almost surely, 28006285 is an apocalyptic number.

It is an amenable number.

8006285 is a deficient number, since it is larger than the sum of its proper divisors (2973811).

8006285 is a wasteful number, since it uses less digits than its factorization.

8006285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228763.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 8006285 is about 2829.5379481463. The cubic root of 8006285 is about 200.0523612903.

The spelling of 8006285 in words is "eight million, six thousand, two hundred eighty-five".

Divisors: 1 5 7 35 228751 1143755 1601257 8006285