Search a number
-
+
196287645 = 3513085843
BaseRepresentation
bin10111011001100…
…01110010011101
3111200100110000210
423230301302131
5400222201040
631251043033
74602263121
oct1354616235
9450313023
10196287645
11a08878a4
12558a0479
1331887648
141c0d7581
1512374480
hexbb31c9d

196287645 has 8 divisors (see below), whose sum is σ = 314060256. Its totient is φ = 104686736.

The previous prime is 196287643. The next prime is 196287659. The reversal of 196287645 is 546782691.

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 196287645 - 21 = 196287643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196287594 and 196287603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196287643) 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, 6542907 + ... + 6542936.

It is an arithmetic number, because the mean of its divisors is an integer number (39257532).

Almost surely, 2196287645 is an apocalyptic number.

196287645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196287645 is a deficient number, since it is larger than the sum of its proper divisors (117772611).

196287645 is a wasteful number, since it uses less digits than its factorization.

196287645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13085851.

The product of its digits is 725760, while the sum is 48.

The square root of 196287645 is about 14010.2692693610. The cubic root of 196287645 is about 581.1625957139.

The spelling of 196287645 in words is "one hundred ninety-six million, two hundred eighty-seven thousand, six hundred forty-five".

Divisors: 1 3 5 15 13085843 39257529 65429215 196287645