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196803131 = 743653831
BaseRepresentation
bin10111011101011…
…11101000111011
3111201022122010212
423232233220323
5400340200011
631310101335
74606541030
oct1356575073
9451278125
10196803131
11a10aa118
1255aaa84b
1331a08175
141c1cd387
151242708b
hexbbafa3b

196803131 has 8 divisors (see below), whose sum is σ = 230148864. Its totient is φ = 164765160.

The previous prime is 196803091. The next prime is 196803133. The reversal of 196803131 is 131308691.

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

It is not a de Polignac number, because 196803131 - 218 = 196540987 is a prime.

It is a super-2 number, since 2×1968031312 = 77462944742806322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196803133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326615 + ... + 327216.

It is an arithmetic number, because the mean of its divisors is an integer number (28768608).

Almost surely, 2196803131 is an apocalyptic number.

196803131 is a deficient number, since it is larger than the sum of its proper divisors (33345733).

196803131 is an equidigital number, since it uses as much as digits as its factorization.

196803131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653881.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 196803131 is about 14028.6539268741. The cubic root of 196803131 is about 581.6708961943.

The spelling of 196803131 in words is "one hundred ninety-six million, eight hundred three thousand, one hundred thirty-one".

Divisors: 1 7 43 301 653831 4576817 28114733 196803131