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2449629389 = 4021609209
BaseRepresentation
bin1001001000000010…
…0110000011001101
320022201102001210102
42102000212003031
520004101120024
61043024020445
7114463335434
oct22200460315
96281361712
102449629389
11104782a8a9
12584461725
1330067445c
1419349c11b
15e50cb1ae
hex920260cd

2449629389 has 4 divisors (see below), whose sum is σ = 2450242620. Its totient is φ = 2449016160.

The previous prime is 2449629379. The next prime is 2449629407. The reversal of 2449629389 is 9839269442.

It is a happy number.

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 1163833225 + 1285796164 = 34115^2 + 35858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2449629389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2449629349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300584 + ... + 308625.

It is an arithmetic number, because the mean of its divisors is an integer number (612560655).

Almost surely, 22449629389 is an apocalyptic number.

It is an amenable number.

2449629389 is a deficient number, since it is larger than the sum of its proper divisors (613231).

2449629389 is an equidigital number, since it uses as much as digits as its factorization.

2449629389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613230.

The product of its digits is 6718464, while the sum is 56.

The square root of 2449629389 is about 49493.7308050222. The cubic root of 2449629389 is about 1348.0317708687.

The spelling of 2449629389 in words is "two billion, four hundred forty-nine million, six hundred twenty-nine thousand, three hundred eighty-nine".

Divisors: 1 4021 609209 2449629389