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2450943049 = 31215972
BaseRepresentation
bin1001001000010110…
…0110110001001001
320022210212210210111
42102011212301021
520004420134144
61043112114321
7114510446362
oct22205466111
96283783714
102450943049
111048547875
125849959a1
13300a14379
14193720b69
15e528a534
hex92166c49

2450943049 has 9 divisors (see below), whose sum is σ = 2534142951. Its totient is φ = 2370395160.

The previous prime is 2450943041. The next prime is 2450943067. The reversal of 2450943049 is 9403490542.

The square root of 2450943049 is 49507.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 491287225 + 1959655824 = 22165^2 + 44268^2 .

It is not a de Polignac number, because 2450943049 - 23 = 2450943041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2450943041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1533919 + ... + 1535515.

It is an arithmetic number, because the mean of its divisors is an integer number (281571439).

Almost surely, 22450943049 is an apocalyptic number.

2450943049 is the 49507-th square number.

2450943049 is the 24754-th centered octagonal number.

It is an amenable number.

2450943049 is a deficient number, since it is larger than the sum of its proper divisors (83199902).

2450943049 is an frugal number, since it uses more digits than its factorization.

2450943049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The cubic root of 2450943049 is about 1348.2726969678.

The spelling of 2450943049 in words is "two billion, four hundred fifty million, nine hundred forty-three thousand, forty-nine".

Divisors: 1 31 961 1597 49507 1534717 2550409 79062679 2450943049