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4198147 = 6436529
BaseRepresentation
bin10000000000111100000011
321220021202221
4100000330003
52033320042
6225551511
750453332
oct20007403
97807687
104198147
112408148
1214a5597
13b3cb15
147b3d19
1557dd67
hex400f03

4198147 has 4 divisors (see below), whose sum is σ = 4205320. Its totient is φ = 4190976.

The previous prime is 4198141. The next prime is 4198211. The reversal of 4198147 is 7418914.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7418914 = 23709457.

It is a cyclic number.

It is not a de Polignac number, because 4198147 - 211 = 4196099 is a prime.

It is a Duffinian number.

4198147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4198141) 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, 2622 + ... + 3907.

It is an arithmetic number, because the mean of its divisors is an integer number (1051330).

Almost surely, 24198147 is an apocalyptic number.

4198147 is a deficient number, since it is larger than the sum of its proper divisors (7173).

4198147 is an equidigital number, since it uses as much as digits as its factorization.

4198147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7172.

The product of its digits is 8064, while the sum is 34.

The square root of 4198147 is about 2048.9380176081. The cubic root of 4198147 is about 161.3191334670.

The spelling of 4198147 in words is "four million, one hundred ninety-eight thousand, one hundred forty-seven".

Divisors: 1 643 6529 4198147