Search a number
-
+
49390179 = 316463393
BaseRepresentation
bin1011110001101…
…0001001100011
310102221021120220
42330122021203
5100120441204
64522334123
71136544456
oct274321143
9112837526
1049390179
1125974633
121465a343
13a303977
1467b949d
1545091d9
hex2f1a263

49390179 has 4 divisors (see below), whose sum is σ = 65853576. Its totient is φ = 32926784.

The previous prime is 49390171. The next prime is 49390193. The reversal of 49390179 is 97109394.

49390179 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.

It is a cyclic number.

It is not a de Polignac number, because 49390179 - 23 = 49390171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49390179.

It is not an unprimeable number, because it can be changed into a prime (49390171) 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, 8231694 + ... + 8231699.

It is an arithmetic number, because the mean of its divisors is an integer number (16463394).

Almost surely, 249390179 is an apocalyptic number.

49390179 is a deficient number, since it is larger than the sum of its proper divisors (16463397).

49390179 is a wasteful number, since it uses less digits than its factorization.

49390179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16463396.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 49390179 is about 7027.8146674482. The cubic root of 49390179 is about 366.8992860918.

The spelling of 49390179 in words is "forty-nine million, three hundred ninety thousand, one hundred seventy-nine".

Divisors: 1 3 16463393 49390179