Search a number
-
+
49173089 = 77024727
BaseRepresentation
bin1011101110010…
…1001001100001
310102112020210112
42323211021201
5100042014324
64513541105
71134651530
oct273451141
9112466715
1049173089
1125836519
1214574795
13a258c04
146760317
1544b4c0e
hex2ee5261

49173089 has 4 divisors (see below), whose sum is σ = 56197824. Its totient is φ = 42148356.

The previous prime is 49173073. The next prime is 49173097. The reversal of 49173089 is 98037194.

It is a happy number.

49173089 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98037194 = 249018597.

It is a cyclic number.

It is not a de Polignac number, because 49173089 - 24 = 49173073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49173389) 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 3 ways as a sum of consecutive naturals, for example, 3512357 + ... + 3512370.

It is an arithmetic number, because the mean of its divisors is an integer number (14049456).

Almost surely, 249173089 is an apocalyptic number.

It is an amenable number.

49173089 is a deficient number, since it is larger than the sum of its proper divisors (7024735).

49173089 is an equidigital number, since it uses as much as digits as its factorization.

49173089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024734.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 49173089 is about 7012.3526009464. The cubic root of 49173089 is about 366.3609391858.

The spelling of 49173089 in words is "forty-nine million, one hundred seventy-three thousand, eighty-nine".

Divisors: 1 7 7024727 49173089