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199969041 = 3611033
BaseRepresentation
bin10111110101101…
…00100100010001
3111221021110221210
423322310210101
5402143002131
631502010333
74645465056
oct1372644421
9457243853
10199969041
11a2971778
1256b769a9
133257619c
141c7b502d
1512850146
hexbeb4911

199969041 has 16 divisors (see below), whose sum is σ = 273653120. Its totient is φ = 129854160.

The previous prime is 199969039. The next prime is 199969043. The reversal of 199969041 is 140969991.

199969041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (199969039) and next prime (199969043).

It is not a de Polignac number, because 199969041 - 21 = 199969039 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 (199969043) 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, 1941396 + ... + 1941498.

It is an arithmetic number, because the mean of its divisors is an integer number (17103320).

Almost surely, 2199969041 is an apocalyptic number.

It is an amenable number.

199969041 is a deficient number, since it is larger than the sum of its proper divisors (73684079).

199969041 is an frugal number, since it uses more digits than its factorization.

199969041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 48.

The square root of 199969041 is about 14141.0410154274. The cubic root of 199969041 is about 584.7733711971.

The spelling of 199969041 in words is "one hundred ninety-nine million, nine hundred sixty-nine thousand, forty-one".

Divisors: 1 3 61 103 183 309 6283 10609 18849 31827 647149 1092727 1941447 3278181 66656347 199969041