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4194644 = 221048661
BaseRepresentation
bin10000000000000101010100
321220002222012
4100000011110
52033212034
6225523352
750440166
oct20000524
97802865
104194644
112405553
1214a3558
13b3b34c
147b2936
1557ccce
hex400154

4194644 has 6 divisors (see below), whose sum is σ = 7340634. Its totient is φ = 2097320.

The previous prime is 4194643. The next prime is 4194661. The reversal of 4194644 is 4464914.

It can be written as a sum of positive squares in only one way, i.e., 4080400 + 114244 = 2020^2 + 338^2 .

It is a d-powerful number, because it can be written as 4 + 1 + 9 + 43 + 6 + 44 + 411 .

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 4194644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4194643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524327 + ... + 524334.

It is an arithmetic number, because the mean of its divisors is an integer number (1223439).

Almost surely, 24194644 is an apocalyptic number.

It is an amenable number.

4194644 is a deficient number, since it is larger than the sum of its proper divisors (3145990).

4194644 is a wasteful number, since it uses less digits than its factorization.

4194644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048665 (or 1048663 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 4194644 is about 2048.0830061304. The cubic root of 4194644 is about 161.2742519059.

The spelling of 4194644 in words is "four million, one hundred ninety-four thousand, six hundred forty-four".

Divisors: 1 2 4 1048661 2097322 4194644