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196791090 = 2356559703
BaseRepresentation
bin10111011101011…
…00101100110010
3111201022000121220
423232230230302
5400334303330
631305525510
74606460646
oct1356545462
9451260556
10196791090
11a10a1071
1255aa3896
1331a02842
141c1c8c26
1512423710
hexbbacb32

196791090 has 16 divisors (see below), whose sum is σ = 472298688. Its totient is φ = 52477616.

The previous prime is 196791061. The next prime is 196791121. The reversal of 196791090 is 90197691.

196791090 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3279822 + ... + 3279881.

It is an arithmetic number, because the mean of its divisors is an integer number (29518668).

Almost surely, 2196791090 is an apocalyptic number.

196791090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196791090 is an abundant number, since it is smaller than the sum of its proper divisors (275507598).

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

196791090 is a wasteful number, since it uses less digits than its factorization.

196791090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6559713.

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 196791090 is about 14028.2247629556. The cubic root of 196791090 is about 581.6590331681.

The spelling of 196791090 in words is "one hundred ninety-six million, seven hundred ninety-one thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 6559703 13119406 19679109 32798515 39358218 65597030 98395545 196791090