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4199081 = 10873863
BaseRepresentation
bin10000000001001010101001
321220100001112
4100001022221
52033332311
6230000105
750456135
oct20011251
97810045
104199081
112408917
1214a6035
13b40383
147b43c5
1557e28b
hex4012a9

4199081 has 4 divisors (see below), whose sum is σ = 4204032. Its totient is φ = 4194132.

The previous prime is 4199077. The next prime is 4199131. The reversal of 4199081 is 1809914.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4199081 - 22 = 4199077 is a prime.

It is a super-2 number, since 2×41990812 = 35264562489122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4199021) 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, 845 + ... + 3018.

It is an arithmetic number, because the mean of its divisors is an integer number (1051008).

Almost surely, 24199081 is an apocalyptic number.

It is an amenable number.

4199081 is a deficient number, since it is larger than the sum of its proper divisors (4951).

4199081 is a wasteful number, since it uses less digits than its factorization.

4199081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 4199081 is about 2049.1659278838. The cubic root of 4199081 is about 161.3310959589.

The spelling of 4199081 in words is "four million, one hundred ninety-nine thousand, eighty-one".

Divisors: 1 1087 3863 4199081