Search a number
-
+
974448109 = 1757320477
BaseRepresentation
bin111010000101001…
…110010111101101
32111220121002111201
4322011032113231
53443424314414
6240405445501
733101446405
oct7205162755
92456532451
10974448109
11460061318
12232410891
13126b61a1b
14935b9805
155a835574
hex3a14e5ed

974448109 has 4 divisors (see below), whose sum is σ = 1031768604. Its totient is φ = 917127616.

The previous prime is 974448103. The next prime is 974448127. The reversal of 974448109 is 901844479.

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 370370025 + 604078084 = 19245^2 + 24578^2 .

It is a cyclic number.

It is not a de Polignac number, because 974448109 - 29 = 974447597 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 (974448103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28660222 + ... + 28660255.

It is an arithmetic number, because the mean of its divisors is an integer number (257942151).

Almost surely, 2974448109 is an apocalyptic number.

It is an amenable number.

974448109 is a deficient number, since it is larger than the sum of its proper divisors (57320495).

974448109 is a wasteful number, since it uses less digits than its factorization.

974448109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57320494.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 974448109 is about 31216.1514123698. The cubic root of 974448109 is about 991.4091109712.

The spelling of 974448109 in words is "nine hundred seventy-four million, four hundred forty-eight thousand, one hundred nine".

Divisors: 1 17 57320477 974448109