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8285378 = 24142689
BaseRepresentation
bin11111100110110011000010
3120120221101212
4133212303002
54110113003
6453330122
7130265423
oct37466302
916527355
108285378
114749a22
122936942
1319412ba
14115964a
15ad9dd8
hex7e6cc2

8285378 has 4 divisors (see below), whose sum is σ = 12428070. Its totient is φ = 4142688.

The previous prime is 8285377. The next prime is 8285383. The reversal of 8285378 is 8735828.

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

It can be written as a sum of positive squares in only one way, i.e., 6086089 + 2199289 = 2467^2 + 1483^2 .

It is not an unprimeable number, because it can be changed into a prime (8285377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2071343 + ... + 2071346.

Almost surely, 28285378 is an apocalyptic number.

8285378 is a deficient number, since it is larger than the sum of its proper divisors (4142692).

8285378 is a wasteful number, since it uses less digits than its factorization.

8285378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142691.

The product of its digits is 107520, while the sum is 41.

The square root of 8285378 is about 2878.4332543938. The cubic root of 8285378 is about 202.3504194355.

The spelling of 8285378 in words is "eight million, two hundred eighty-five thousand, three hundred seventy-eight".

Divisors: 1 2 4142689 8285378