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196442149 = 2346718289
BaseRepresentation
bin10111011010101…
…11100000100101
3111200122021222011
423231113200211
5400242122044
631254234221
74603505431
oct1355274045
9450567864
10196442149
11a0982992
1255955971
133190ca77
141c1379c1
15123a5134
hexbb57825

196442149 has 8 divisors (see below), whose sum is σ = 205433280. Its totient is φ = 187488576.

The previous prime is 196442137. The next prime is 196442153. The reversal of 196442149 is 941244691.

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 196442149 - 25 = 196442117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196442119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1597 + ... + 19885.

It is an arithmetic number, because the mean of its divisors is an integer number (25679160).

Almost surely, 2196442149 is an apocalyptic number.

It is an amenable number.

196442149 is a deficient number, since it is larger than the sum of its proper divisors (8991131).

196442149 is a wasteful number, since it uses less digits than its factorization.

196442149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18779.

The product of its digits is 62208, while the sum is 40.

The square root of 196442149 is about 14015.7821401447. The cubic root of 196442149 is about 581.3150393325.

The spelling of 196442149 in words is "one hundred ninety-six million, four hundred forty-two thousand, one hundred forty-nine".

Divisors: 1 23 467 10741 18289 420647 8540963 196442149