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8542285 = 51708457
BaseRepresentation
bin100000100101…
…100001001101
3121001222210221
4200211201031
54141323120
6503031341
7132415423
oct40454115
917058727
108542285
114904a44
122a3b551
131a0120b
1411c5113
15b3b0aa
hex82584d

8542285 has 4 divisors (see below), whose sum is σ = 10250748. Its totient is φ = 6833824.

The previous prime is 8542273. The next prime is 8542291. The reversal of 8542285 is 5822458.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4743684 + 3798601 = 2178^2 + 1949^2 .

It is a cyclic number.

It is not a de Polignac number, because 8542285 - 25 = 8542253 is a prime.

It is an Ulam number.

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 8542285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854224 + ... + 854233.

It is an arithmetic number, because the mean of its divisors is an integer number (2562687).

Almost surely, 28542285 is an apocalyptic number.

It is an amenable number.

8542285 is a deficient number, since it is larger than the sum of its proper divisors (1708463).

8542285 is a wasteful number, since it uses less digits than its factorization.

8542285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708462.

The product of its digits is 25600, while the sum is 34.

The square root of 8542285 is about 2922.7187685441. The cubic root of 8542285 is about 204.4206126937.

The spelling of 8542285 in words is "eight million, five hundred forty-two thousand, two hundred eighty-five".

Divisors: 1 5 1708457 8542285