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196655137 = 783338477
BaseRepresentation
bin10111011100010…
…11100000100001
3111201001010010121
423232023200201
5400320431022
631303000241
74605353410
oct1356134041
9451033117
10196655137
11a1008a08
1255a39081
13319859b3
141c191477
15123e82c7
hexbb8b821

196655137 has 8 divisors (see below), whose sum is σ = 227457216. Its totient is φ = 166530192.

The previous prime is 196655131. The next prime is 196655153. The reversal of 196655137 is 731556691.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 196655137 - 27 = 196655009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196655093 and 196655102.

It is not an unprimeable number, because it can be changed into a prime (196655131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168658 + ... + 169819.

It is an arithmetic number, because the mean of its divisors is an integer number (28432152).

Almost surely, 2196655137 is an apocalyptic number.

It is an amenable number.

196655137 is a deficient number, since it is larger than the sum of its proper divisors (30802079).

196655137 is an equidigital number, since it uses as much as digits as its factorization.

196655137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338567.

The product of its digits is 170100, while the sum is 43.

The square root of 196655137 is about 14023.3782306547. The cubic root of 196655137 is about 581.5250560524.

The spelling of 196655137 in words is "one hundred ninety-six million, six hundred fifty-five thousand, one hundred thirty-seven".

Divisors: 1 7 83 581 338477 2369339 28093591 196655137