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196012231 = 474170473
BaseRepresentation
bin10111010111011…
…10100011000111
3111122211110020021
423223232203013
5400134342411
631241120011
74600035142
oct1353564307
9448743207
10196012231
11a0709988
1255789007
13317bc18c
141c065059
151231ca71
hexbaee8c7

196012231 has 4 divisors (see below), whose sum is σ = 200182752. Its totient is φ = 191841712.

The previous prime is 196012217. The next prime is 196012237. The reversal of 196012231 is 132210691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196012231 - 217 = 195881159 is a prime.

It is a super-2 number, since 2×1960122312 = 76841589403194722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196012196 and 196012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196012237) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2085190 + ... + 2085283.

It is an arithmetic number, because the mean of its divisors is an integer number (50045688).

Almost surely, 2196012231 is an apocalyptic number.

196012231 is a deficient number, since it is larger than the sum of its proper divisors (4170521).

196012231 is an equidigital number, since it uses as much as digits as its factorization.

196012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170520.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 196012231 is about 14000.4368146140. The cubic root of 196012231 is about 580.8906559721.

The spelling of 196012231 in words is "one hundred ninety-six million, twelve thousand, two hundred thirty-one".

Divisors: 1 47 4170473 196012231