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4494449 = 29154981
BaseRepresentation
bin10001001001010001110001
322110100020002
4101021101301
52122310244
6240155345
753126231
oct21112161
98410202
104494449
11259a823
121608b55
13c1494b
1484dcc1
155dba4e
hex449471

4494449 has 4 divisors (see below), whose sum is σ = 4649460. Its totient is φ = 4339440.

The previous prime is 4494401. The next prime is 4494463. The reversal of 4494449 is 9444944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2371600 + 2122849 = 1540^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 4494449 - 216 = 4428913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4434449) 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, 77462 + ... + 77519.

It is an arithmetic number, because the mean of its divisors is an integer number (1162365).

Almost surely, 24494449 is an apocalyptic number.

It is an amenable number.

4494449 is a deficient number, since it is larger than the sum of its proper divisors (155011).

4494449 is a wasteful number, since it uses less digits than its factorization.

4494449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155010.

The product of its digits is 82944, while the sum is 38.

The square root of 4494449 is about 2120.0115565723. The cubic root of 4494449 is about 165.0284493338.

It can be divided in two parts, 44944 and 49, that multiplied together give a square (2202256 = 14842).

The spelling of 4494449 in words is "four million, four hundred ninety-four thousand, four hundred forty-nine".

Divisors: 1 29 154981 4494449