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216057050 = 25211392831
BaseRepresentation
bin11001110000011…
…00010011011010
3120001112211112222
430320030103122
5420302311200
633234504042
75232311636
oct1470142332
9501484488
10216057050
11100a5a950
1260435022
13359b9b11
14209a1dc6
1513e7bd85
hexce0c4da

216057050 has 24 divisors (see below), whose sum is σ = 438400512. Its totient is φ = 78566000.

The previous prime is 216057031. The next prime is 216057067. The reversal of 216057050 is 50750612.

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 11 ways as a sum of consecutive naturals, for example, 195866 + ... + 196965.

It is an arithmetic number, because the mean of its divisors is an integer number (18266688).

Almost surely, 2216057050 is an apocalyptic number.

216057050 is an abundant number, since it is smaller than the sum of its proper divisors (222343462).

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

216057050 is a wasteful number, since it uses less digits than its factorization.

216057050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392854 (or 392849 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 216057050 is about 14698.8792089737. The cubic root of 216057050 is about 600.0528194241.

The spelling of 216057050 in words is "two hundred sixteen million, fifty-seven thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 392831 785662 1964155 3928310 4321141 8642282 9820775 19641550 21605705 43211410 108028525 216057050