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216275108 = 2277724111
BaseRepresentation
bin11001110010000…
…01100010100100
3120001221220200012
430321001202210
5420331300413
633243305352
75234210450
oct1471014244
9501856605
10216275108
11101099765
126051b258
1335a6514a
1420a1b660
1513ec17a8
hexce418a4

216275108 has 12 divisors (see below), whose sum is σ = 432550272. Its totient is φ = 92689320.

The previous prime is 216275099. The next prime is 216275117. The reversal of 216275108 is 801572612.

It is an interprime number because it is at equal distance from previous prime (216275099) and next prime (216275117).

216275108 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3862028 + ... + 3862083.

It is an arithmetic number, because the mean of its divisors is an integer number (36045856).

Almost surely, 2216275108 is an apocalyptic number.

216275108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

216275108 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216275108 is a wasteful number, since it uses less digits than its factorization.

216275108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7724122 (or 7724120 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 216275108 is about 14706.2948426856. The cubic root of 216275108 is about 600.2546215608.

The spelling of 216275108 in words is "two hundred sixteen million, two hundred seventy-five thousand, one hundred eight".

Divisors: 1 2 4 7 14 28 7724111 15448222 30896444 54068777 108137554 216275108