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4181197 = 19220063
BaseRepresentation
bin1111111100110011001101
321212102112011
433330303031
52032244242
6225341221
750353036
oct17746315
97772464
104181197
1123a6439
121497811
13b351a7
147aba8d
15578d17
hex3fcccd

4181197 has 4 divisors (see below), whose sum is σ = 4401280. Its totient is φ = 3961116.

The previous prime is 4181183. The next prime is 4181209. The reversal of 4181197 is 7911814.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4181197 - 27 = 4181069 is a prime.

It is a Duffinian number.

4181197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4181137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110013 + ... + 110050.

It is an arithmetic number, because the mean of its divisors is an integer number (1100320).

Almost surely, 24181197 is an apocalyptic number.

It is an amenable number.

4181197 is a deficient number, since it is larger than the sum of its proper divisors (220083).

4181197 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 12 representation: 4181197 = (1497811)12.

4181197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220082.

The product of its digits is 2016, while the sum is 31.

The square root of 4181197 is about 2044.7975449907. The cubic root of 4181197 is about 161.1017321884.

The spelling of 4181197 in words is "four million, one hundred eighty-one thousand, one hundred ninety-seven".

Divisors: 1 19 220063 4181197