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195209941 = 4783163307
BaseRepresentation
bin10111010001010…
…10101011010101
3111121022200200211
423220222223111
5344433204231
631212005421
74560154123
oct1350525325
9447280624
10195209941
11a0211133
1255460871
133159ac54
141bcd6913
151220eeb1
hexba2aad5

195209941 has 16 divisors (see below), whose sum is σ = 203664384. Its totient is φ = 186985584.

The previous prime is 195209939. The next prime is 195209977. The reversal of 195209941 is 149902591.

It is a cyclic number.

It is not a de Polignac number, because 195209941 - 21 = 195209939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 195209894 and 195209903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195209921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635710 + ... + 636016.

It is an arithmetic number, because the mean of its divisors is an integer number (12729024).

Almost surely, 2195209941 is an apocalyptic number.

It is an amenable number.

195209941 is a deficient number, since it is larger than the sum of its proper divisors (8454443).

195209941 is a wasteful number, since it uses less digits than its factorization.

195209941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 195209941 is about 13971.7551152316. The cubic root of 195209941 is about 580.0970319230.

The spelling of 195209941 in words is "one hundred ninety-five million, two hundred nine thousand, nine hundred forty-one".

Divisors: 1 47 83 163 307 3901 7661 13529 14429 25481 50041 635863 1197607 2351927 4153403 195209941