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949434905 = 5189886981
BaseRepresentation
bin111000100101110…
…011101000011001
32110011112021211202
4320211303220121
53421023404110
6234113403545
732346030536
oct7045635031
92404467752
10949434905
11447a27551
12225b695b5
13121914803
1490147d8d
15585440a5
hex38973a19

949434905 has 4 divisors (see below), whose sum is σ = 1139321892. Its totient is φ = 759547920.

The previous prime is 949434841. The next prime is 949434919. The reversal of 949434905 is 509434949.

949434905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 509434949 = 523974063.

It can be written as a sum of positive squares in 2 ways, for example, as 213072409 + 736362496 = 14597^2 + 27136^2 .

It is not a de Polignac number, because 949434905 - 26 = 949434841 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 949434905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94943486 + ... + 94943495.

It is an arithmetic number, because the mean of its divisors is an integer number (284830473).

Almost surely, 2949434905 is an apocalyptic number.

It is an amenable number.

949434905 is a deficient number, since it is larger than the sum of its proper divisors (189886987).

949434905 is a wasteful number, since it uses less digits than its factorization.

949434905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189886986.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 949434905 is about 30812.9015998169. The cubic root of 949434905 is about 982.8526161928.

The spelling of 949434905 in words is "nine hundred forty-nine million, four hundred thirty-four thousand, nine hundred five".

Divisors: 1 5 189886981 949434905