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206961130 = 2523899831
BaseRepresentation
bin11000101010111…
…11100111101010
3112102102201022001
430111133213222
5410440224010
632311521214
75062066135
oct1425374752
9472381261
10206961130
11a6907a62
125938920a
1333b5390c
141d6b521c
1513281c3a
hexc55f9ea

206961130 has 16 divisors (see below), whose sum is σ = 388727424. Its totient is φ = 79185040.

The previous prime is 206961113. The next prime is 206961169. The reversal of 206961130 is 31169602.

206961130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 449686 + ... + 450145.

It is an arithmetic number, because the mean of its divisors is an integer number (24295464).

Almost surely, 2206961130 is an apocalyptic number.

206961130 is a deficient number, since it is larger than the sum of its proper divisors (181766294).

206961130 is a wasteful number, since it uses less digits than its factorization.

206961130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899861.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 206961130 is about 14386.1436806394. The cubic root of 206961130 is about 591.5111411186.

The spelling of 206961130 in words is "two hundred six million, nine hundred sixty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 899831 1799662 4499155 8998310 20696113 41392226 103480565 206961130