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8379285 = 351929401
BaseRepresentation
bin11111111101101110010101
3120202201012220
4133331232111
54121114120
6455332553
7131136255
oct37755625
916681186
108379285
114803532
122981159
131974c75
141181965
15b07b40
hex7fdb95

8379285 has 16 divisors (see below), whose sum is σ = 14112960. Its totient is φ = 4233600.

The previous prime is 8379271. The next prime is 8379299. The reversal of 8379285 is 5829738.

It is an interprime number because it is at equal distance from previous prime (8379271) and next prime (8379299).

It is not a de Polignac number, because 8379285 - 25 = 8379253 is a prime.

It is a super-2 number, since 2×83792852 = 140424834222450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14416 + ... + 14985.

It is an arithmetic number, because the mean of its divisors is an integer number (882060).

Almost surely, 28379285 is an apocalyptic number.

It is an amenable number.

8379285 is a deficient number, since it is larger than the sum of its proper divisors (5733675).

8379285 is a wasteful number, since it uses less digits than its factorization.

8379285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29428.

The product of its digits is 120960, while the sum is 42.

The square root of 8379285 is about 2894.6994662659. The cubic root of 8379285 is about 203.1120334129.

The spelling of 8379285 in words is "eight million, three hundred seventy-nine thousand, two hundred eighty-five".

Divisors: 1 3 5 15 19 57 95 285 29401 88203 147005 441015 558619 1675857 2793095 8379285