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4194449 = 7285601
BaseRepresentation
bin10000000000000010010001
321220002200222
4100000002101
52033210244
6225522425
750436500
oct20000221
97802628
104194449
112405396
1214a3415
13b3b22c
147b2837
1557cbee
hex400091

4194449 has 6 divisors (see below), whose sum is σ = 4879314. Its totient is φ = 3595200.

The previous prime is 4194439. The next prime is 4194451. The reversal of 4194449 is 9444914.

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 753424 = 1855^2 + 868^2 .

It is not a de Polignac number, because 4194449 - 24 = 4194433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4194409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42752 + ... + 42849.

It is an arithmetic number, because the mean of its divisors is an integer number (813219).

Almost surely, 24194449 is an apocalyptic number.

4194449 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4194449 is a deficient number, since it is larger than the sum of its proper divisors (684865).

4194449 is an equidigital number, since it uses as much as digits as its factorization.

4194449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85615 (or 85608 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 4194449 is about 2048.0354000847. The cubic root of 4194449 is about 161.2717527692.

The spelling of 4194449 in words is "four million, one hundred ninety-four thousand, four hundred forty-nine".

Divisors: 1 7 49 85601 599207 4194449