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220268378 = 211231313323
BaseRepresentation
bin11010010000100…
…00011101011010
3120100110210102002
431020100131122
5422342042003
633505041002
75313151601
oct1510203532
9510423362
10220268378
11103376990
1261926162
1336832925
142137aa38
151450ea88
hexd21075a

220268378 has 32 divisors (see below), whose sum is σ = 379095552. Its totient is φ = 95009200.

The previous prime is 220268333. The next prime is 220268393. The reversal of 220268378 is 873862022.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64625 + ... + 67947.

It is an arithmetic number, because the mean of its divisors is an integer number (11846736).

Almost surely, 2220268378 is an apocalyptic number.

220268378 is a deficient number, since it is larger than the sum of its proper divisors (158827174).

220268378 is a wasteful number, since it uses less digits than its factorization.

220268378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 220268378 is about 14841.4412372923. The cubic root of 220268378 is about 603.9264507756.

The spelling of 220268378 in words is "two hundred twenty million, two hundred sixty-eight thousand, three hundred seventy-eight".

Divisors: 1 2 11 22 23 46 131 253 262 506 1441 2882 3013 3323 6026 6646 33143 36553 66286 73106 76429 152858 435313 840719 870626 1681438 4788443 9576886 10012199 20024398 110134189 220268378