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4196891 = 19220889
BaseRepresentation
bin10000000000101000011011
321220020001102
4100000220123
52033300031
6225542015
750446556
oct20005033
97806042
104196891
112407206
1214a490b
13b3c38a
147b369d
1557d7cb
hex400a1b

4196891 has 4 divisors (see below), whose sum is σ = 4417800. Its totient is φ = 3975984.

The previous prime is 4196869. The next prime is 4196893. The reversal of 4196891 is 1986914.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4196891 - 214 = 4180507 is a prime.

It is a super-2 number, since 2×41968912 = 35227788131762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4196893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110426 + ... + 110463.

It is an arithmetic number, because the mean of its divisors is an integer number (1104450).

Almost surely, 24196891 is an apocalyptic number.

4196891 is a deficient number, since it is larger than the sum of its proper divisors (220909).

4196891 is a wasteful number, since it uses less digits than its factorization.

4196891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220908.

The product of its digits is 15552, while the sum is 38.

The square root of 4196891 is about 2048.6314944372. The cubic root of 4196891 is about 161.3030440637.

The spelling of 4196891 in words is "four million, one hundred ninety-six thousand, eight hundred ninety-one".

Divisors: 1 19 220889 4196891