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8012285 = 58291933
BaseRepresentation
bin11110100100000111111101
3120002001210022
4132210013331
54022343120
6443421525
7125050301
oct36440775
916061708
108012285
114582826
1228248a5
131876bc8
1410c7d01
15a84025
hex7a41fd

8012285 has 8 divisors (see below), whose sum is σ = 9631320. Its totient is φ = 6398784.

The previous prime is 8012269. The next prime is 8012299. The reversal of 8012285 is 5822108.

It can be written as a sum of positive squares in 4 ways, for example, as 1530169 + 6482116 = 1237^2 + 2546^2 .

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 8012285 - 24 = 8012269 is a prime.

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, 3179 + ... + 5111.

It is an arithmetic number, because the mean of its divisors is an integer number (1203915).

Almost surely, 28012285 is an apocalyptic number.

It is an amenable number.

8012285 is a deficient number, since it is larger than the sum of its proper divisors (1619035).

8012285 is a wasteful number, since it uses less digits than its factorization.

8012285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 8012285 is about 2830.5979933576. The cubic root of 8012285 is about 200.1023226415.

The spelling of 8012285 in words is "eight million, twelve thousand, two hundred eighty-five".

Divisors: 1 5 829 1933 4145 9665 1602457 8012285