Search a number
-
+
8045737949 = 37217452377
BaseRepresentation
bin1110111111001000…
…00011011111011101
3202202201110211120102
413133210003133131
5112434202103244
63410212030445
7403244433644
oct73744033735
922681424512
108045737949
113459678007
121686602425
139b2b685b2
145647b235b
1532153254e
hex1df9037dd

8045737949 has 4 divisors (see below), whose sum is σ = 8263190364. Its totient is φ = 7828285536.

The previous prime is 8045737937. The next prime is 8045737961. The reversal of 8045737949 is 9497375408.

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

It is an interprime number because it is at equal distance from previous prime (8045737937) and next prime (8045737961).

It can be written as a sum of positive squares in 2 ways, for example, as 7381902724 + 663835225 = 85918^2 + 25765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8045737949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8045737894 and 8045737903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8045737919) 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, 108726152 + ... + 108726225.

It is an arithmetic number, because the mean of its divisors is an integer number (2065797591).

Almost surely, 28045737949 is an apocalyptic number.

It is an amenable number.

8045737949 is a deficient number, since it is larger than the sum of its proper divisors (217452415).

8045737949 is a wasteful number, since it uses less digits than its factorization.

8045737949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217452414.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The square root of 8045737949 is about 89698.0375983778. The cubic root of 8045737949 is about 2003.8042549840.

The spelling of 8045737949 in words is "eight billion, forty-five million, seven hundred thirty-seven thousand, nine hundred forty-nine".

Divisors: 1 37 217452377 8045737949