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8389634 = 211381347
BaseRepresentation
bin100000000000…
…010000000010
3120210020102012
4200000100002
54121432014
6455452522
7131211401
oct40002002
916706365
108389634
114810290
122987142
1319798a6
141185638
15b0ac3e
hex800402

8389634 has 8 divisors (see below), whose sum is σ = 13728528. Its totient is φ = 3813460.

The previous prime is 8389607. The next prime is 8389651. The reversal of 8389634 is 4369838.

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

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 8389591 and 8389600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190652 + ... + 190695.

It is an arithmetic number, because the mean of its divisors is an integer number (1716066).

Almost surely, 28389634 is an apocalyptic number.

8389634 is a deficient number, since it is larger than the sum of its proper divisors (5338894).

8389634 is a wasteful number, since it uses less digits than its factorization.

8389634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381360.

The product of its digits is 124416, while the sum is 41.

The square root of 8389634 is about 2896.4864922868. The cubic root of 8389634 is about 203.1956181759.

The spelling of 8389634 in words is "eight million, three hundred eighty-nine thousand, six hundred thirty-four".

Divisors: 1 2 11 22 381347 762694 4194817 8389634