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220942316 = 2277890797
BaseRepresentation
bin11010010101101…
…00111111101100
3120101202000212202
431022310333230
5423030123231
633531321032
75321656460
oct1512647754
9511660782
10220942316
11103797261
1261bb0178
1336a0a5ca
14214b44a0
15145e45cb
hexd2b4fec

220942316 has 12 divisors (see below), whose sum is σ = 441884688. Its totient is φ = 94689552.

The previous prime is 220942289. The next prime is 220942321. The reversal of 220942316 is 613249022.

220942316 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 3945371 + ... + 3945426.

It is an arithmetic number, because the mean of its divisors is an integer number (36823724).

Almost surely, 2220942316 is an apocalyptic number.

It is an amenable number.

220942316 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.

220942316 is a wasteful number, since it uses less digits than its factorization.

220942316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7890808 (or 7890806 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 220942316 is about 14864.1284978299. The cubic root of 220942316 is about 604.5417525789.

The spelling of 220942316 in words is "two hundred twenty million, nine hundred forty-two thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 7890797 15781594 31563188 55235579 110471158 220942316