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49189141 = 53928097
BaseRepresentation
bin1011101110100…
…1000100010101
310102120001211001
42323221010111
5100043023031
64514143301
71135046401
oct273510425
9112501731
1049189141
1125847591
1214581b31
13a263301
146766101
1544b9861
hex2ee9115

49189141 has 4 divisors (see below), whose sum is σ = 50117292. Its totient is φ = 48260992.

The previous prime is 49189139. The next prime is 49189159. The reversal of 49189141 is 14198194.

49189141 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 can be written as a sum of positive squares in 2 ways, for example, as 41654116 + 7535025 = 6454^2 + 2745^2 .

It is a cyclic number.

It is not a de Polignac number, because 49189141 - 21 = 49189139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49189141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49189171) 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, 463996 + ... + 464101.

It is an arithmetic number, because the mean of its divisors is an integer number (12529323).

Almost surely, 249189141 is an apocalyptic number.

It is an amenable number.

49189141 is a deficient number, since it is larger than the sum of its proper divisors (928151).

49189141 is an equidigital number, since it uses as much as digits as its factorization.

49189141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928150.

The product of its digits is 10368, while the sum is 37.

The square root of 49189141 is about 7013.4970592423. The cubic root of 49189141 is about 366.4007996469.

The spelling of 49189141 in words is "forty-nine million, one hundred eighty-nine thousand, one hundred forty-one".

Divisors: 1 53 928097 49189141