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49351 = 172903
BaseRepresentation
bin1100000011000111
32111200211
430003013
53034401
61020251
7263611
oct140307
974624
1049351
1134095
1224687
1319603
1413db1
15e951
hexc0c7

49351 has 4 divisors (see below), whose sum is σ = 52272. Its totient is φ = 46432.

The previous prime is 49339. The next prime is 49363. The reversal of 49351 is 15394.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (49339) and next prime (49363).

It is a cyclic number.

It is not a de Polignac number, because 49351 - 27 = 49223 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435 + ... + 1468.

It is an arithmetic number, because the mean of its divisors is an integer number (13068).

249351 is an apocalyptic number.

49351 is the 141-st centered pentagonal number.

49351 is a deficient number, since it is larger than the sum of its proper divisors (2921).

49351 is a wasteful number, since it uses less digits than its factorization.

49351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920.

The product of its digits is 540, while the sum is 22.

The square root of 49351 is about 222.1508496495. The cubic root of 49351 is about 36.6802245546.

It can be divided in two parts, 49 and 351, that added together give a square (400 = 202).

The spelling of 49351 in words is "forty-nine thousand, three hundred fifty-one".

Divisors: 1 17 2903 49351