Search a number
-
+
49325809 = 134099277
BaseRepresentation
bin1011110000101…
…0011011110001
310102211000021211
42330022123301
5100111411214
64521120121
71136156011
oct274123361
9112730254
1049325809
1125930235
1214629041
13a2b0590
14679dc41
1544e50c4
hex2f0a6f1

49325809 has 8 divisors (see below), whose sum is σ = 53255720. Its totient is φ = 45415296.

The previous prime is 49325741. The next prime is 49325819. The reversal of 49325809 is 90852394.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16378209 + 32947600 = 4047^2 + 5740^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49325809 - 225 = 15771377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49325819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679 + ... + 9955.

It is an arithmetic number, because the mean of its divisors is an integer number (6656965).

Almost surely, 249325809 is an apocalyptic number.

It is an amenable number.

49325809 is a deficient number, since it is larger than the sum of its proper divisors (3929911).

49325809 is a wasteful number, since it uses less digits than its factorization.

49325809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9699.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 49325809 is about 7023.2335145572. The cubic root of 49325809 is about 366.7398240620.

The spelling of 49325809 in words is "forty-nine million, three hundred twenty-five thousand, eight hundred nine".

Divisors: 1 13 409 5317 9277 120601 3794293 49325809