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49191 = 319863
BaseRepresentation
bin1100000000100111
32111110220
430000213
53033231
61015423
7263262
oct140047
974426
1049191
1133a5a
1224573
131950c
1413cd9
15e896
hexc027

49191 has 8 divisors (see below), whose sum is σ = 69120. Its totient is φ = 31032.

The previous prime is 49177. The next prime is 49193. The reversal of 49191 is 19194.

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

It is not a de Polignac number, because 49191 - 29 = 48679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49193) 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, 375 + ... + 488.

It is an arithmetic number, because the mean of its divisors is an integer number (8640).

249191 is an apocalyptic number.

49191 is a deficient number, since it is larger than the sum of its proper divisors (19929).

49191 is a wasteful number, since it uses less digits than its factorization.

49191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885.

The product of its digits is 324, while the sum is 24.

The square root of 49191 is about 221.7904416335. The cubic root of 49191 is about 36.6405415371.

The spelling of 49191 in words is "forty-nine thousand, one hundred ninety-one".

Divisors: 1 3 19 57 863 2589 16397 49191