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220930286 = 2637917317
BaseRepresentation
bin11010010101100…
…10000011101110
3120101201102101012
431022302003232
5423024232121
633531145222
75321606423
oct1512620356
9511642335
10220930286
11103789215
1261ba5212
1336a04ca5
14214add4a
15145e0c5b
hexd2b20ee

220930286 has 8 divisors (see below), whose sum is σ = 331466520. Its totient is φ = 110441448.

The previous prime is 220930231. The next prime is 220930301. The reversal of 220930286 is 682039022.

220930286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4100 + ... + 21416.

It is an arithmetic number, because the mean of its divisors is an integer number (41433315).

Almost surely, 2220930286 is an apocalyptic number.

220930286 is a deficient number, since it is larger than the sum of its proper divisors (110536234).

220930286 is a wasteful number, since it uses less digits than its factorization.

220930286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23698.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 220930286 is about 14863.7238268208. The cubic root of 220930286 is about 604.5307802289.

The spelling of 220930286 in words is "two hundred twenty million, nine hundred thirty thousand, two hundred eighty-six".

Divisors: 1 2 6379 12758 17317 34634 110465143 220930286