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196946871 = 3115968087
BaseRepresentation
bin10111011110100…
…10101110110111
3111201120221022120
423233102232313
5400404244441
631313131023
74611010062
oct1357225667
9451527276
10196946871
11a1198110
1255b59a73
1331a58714
141c2298d9
1512454966
hexbbd2bb7

196946871 has 8 divisors (see below), whose sum is σ = 286468224. Its totient is φ = 119361720.

The previous prime is 196946851. The next prime is 196946881. The reversal of 196946871 is 178649691.

It is a happy number.

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

It is not a de Polignac number, because 196946871 - 25 = 196946839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196946851) 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, 2984011 + ... + 2984076.

It is an arithmetic number, because the mean of its divisors is an integer number (35808528).

Almost surely, 2196946871 is an apocalyptic number.

196946871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

196946871 is a deficient number, since it is larger than the sum of its proper divisors (89521353).

196946871 is a wasteful number, since it uses less digits than its factorization.

196946871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5968101.

The product of its digits is 653184, while the sum is 51.

The square root of 196946871 is about 14033.7760777347. The cubic root of 196946871 is about 581.8124742730.

It can be divided in two parts, 19694 and 6871, that added together give a triangular number (26565 = T230).

The spelling of 196946871 in words is "one hundred ninety-six million, nine hundred forty-six thousand, eight hundred seventy-one".

Divisors: 1 3 11 33 5968087 17904261 65648957 196946871