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211164716 = 22721077371
BaseRepresentation
bin11001001011000…
…01111000101100
3112201100021112102
430211201320230
5413024232331
632541554232
75142604400
oct1445417054
9481307472
10211164716
11a92191a4
125a875978
1334996049
142008b100
15138124cb
hexc961e2c

211164716 has 18 divisors (see below), whose sum is σ = 429871428. Its totient is φ = 90499080.

The previous prime is 211164703. The next prime is 211164739. The reversal of 211164716 is 617461112.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 538490 + ... + 538881.

It is an arithmetic number, because the mean of its divisors is an integer number (23881746).

Almost surely, 2211164716 is an apocalyptic number.

It is an amenable number.

211164716 is an abundant number, since it is smaller than the sum of its proper divisors (218706712).

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

211164716 is a wasteful number, since it uses less digits than its factorization.

211164716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077389 (or 1077380 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 211164716 is about 14531.5076987902. The cubic root of 211164716 is about 595.4890558149.

The spelling of 211164716 in words is "two hundred eleven million, one hundred sixty-four thousand, seven hundred sixteen".

Divisors: 1 2 4 7 14 28 49 98 196 1077371 2154742 4309484 7541597 15083194 30166388 52791179 105582358 211164716