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208318030 = 2520831803
BaseRepresentation
bin11000110101010…
…10111001001110
3112111222122121121
430122222321032
5411312134110
632400551154
75106450124
oct1432527116
9474878547
10208318030
11a7654468
12599224ba
133420a40b
141d949914
151344dcda
hexc6aae4e

208318030 has 8 divisors (see below), whose sum is σ = 374972472. Its totient is φ = 83327208.

The previous prime is 208318021. The next prime is 208318039. The reversal of 208318030 is 30813802.

It is an interprime number because it is at equal distance from previous prime (208318021) and next prime (208318039).

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

It is a junction number, because it is equal to n+sod(n) for n = 208317986 and 208318004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208318039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10415892 + ... + 10415911.

It is an arithmetic number, because the mean of its divisors is an integer number (46871559).

Almost surely, 2208318030 is an apocalyptic number.

208318030 is a deficient number, since it is larger than the sum of its proper divisors (166654442).

208318030 is a wasteful number, since it uses less digits than its factorization.

208318030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20831810.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 208318030 is about 14433.2265969879. The cubic root of 208318030 is about 592.8010351066.

The spelling of 208318030 in words is "two hundred eight million, three hundred eighteen thousand, thirty".

Divisors: 1 2 5 10 20831803 41663606 104159015 208318030