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4193961 = 32236269
BaseRepresentation
bin1111111111111010101001
321220002000220
433333322221
52033201321
6225520253
750435202
oct17777251
97802026
104193961
112404a92
1214a3089
13b3ac45
147b25a9
1557c9c6
hex3ffea9

4193961 has 8 divisors (see below), whose sum is σ = 5617920. Its totient is φ = 2782992.

The previous prime is 4193957. The next prime is 4193963. The reversal of 4193961 is 1693914.

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

It is not a de Polignac number, because 4193961 - 22 = 4193957 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

4193961 is a lucky number.

It is a nialpdrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (4193963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2466 + ... + 3803.

It is an arithmetic number, because the mean of its divisors is an integer number (702240).

Almost surely, 24193961 is an apocalyptic number.

It is an amenable number.

4193961 is a deficient number, since it is larger than the sum of its proper divisors (1423959).

4193961 is a wasteful number, since it uses less digits than its factorization.

4193961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6495.

The product of its digits is 5832, while the sum is 33.

The square root of 4193961 is about 2047.9162580535. The cubic root of 4193961 is about 161.2654981799.

The spelling of 4193961 in words is "four million, one hundred ninety-three thousand, nine hundred sixty-one".

Divisors: 1 3 223 669 6269 18807 1397987 4193961