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49195893 = 319384967
BaseRepresentation
bin1011101110101…
…0101101110101
310102120102002010
42323222231311
5100043232033
64514234433
71135105155
oct273525565
9112512063
1049195893
112585166a
1214585a19
13a2663c6
146768765
1544bb863
hex2eeab75

49195893 has 8 divisors (see below), whose sum is σ = 65935168. Its totient is φ = 32626944.

The previous prime is 49195891. The next prime is 49195897. The reversal of 49195893 is 39859194.

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

It is not a de Polignac number, because 49195893 - 21 = 49195891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49195891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41905 + ... + 43062.

It is an arithmetic number, because the mean of its divisors is an integer number (8241896).

Almost surely, 249195893 is an apocalyptic number.

It is an amenable number.

49195893 is a deficient number, since it is larger than the sum of its proper divisors (16739275).

49195893 is a wasteful number, since it uses less digits than its factorization.

49195893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85163.

The product of its digits is 349920, while the sum is 48.

The square root of 49195893 is about 7013.9784003089. The cubic root of 49195893 is about 366.4175636790.

The spelling of 49195893 in words is "forty-nine million, one hundred ninety-five thousand, eight hundred ninety-three".

Divisors: 1 3 193 579 84967 254901 16398631 49195893