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206701120 = 265645941
BaseRepresentation
bin11000101001000…
…00001001000000
3112101221111122001
430110200021000
5410403413440
632302153344
75056634113
oct1424401100
9471844561
10206701120
11a674a67a
1259282854
1333a92472
141d64857a
151322eb9a
hexc520240

206701120 has 28 divisors (see below), whose sum is σ = 492207804. Its totient is φ = 82680320.

The previous prime is 206701109. The next prime is 206701139. The reversal of 206701120 is 21107602.

It can be written as a sum of positive squares in 2 ways, for example, as 55115776 + 151585344 = 7424^2 + 12312^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322651 + ... + 323290.

Almost surely, 2206701120 is an apocalyptic number.

206701120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206701120 is an abundant number, since it is smaller than the sum of its proper divisors (285506684).

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

206701120 is an equidigital number, since it uses as much as digits as its factorization.

206701120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645958 (or 645948 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 206701120 is about 14377.1040199339. The cubic root of 206701120 is about 591.2633276544.

Adding to 206701120 its reverse (21107602), we get a palindrome (227808722).

The spelling of 206701120 in words is "two hundred six million, seven hundred one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 645941 1291882 2583764 3229705 5167528 6459410 10335056 12918820 20670112 25837640 41340224 51675280 103350560 206701120