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49146 = 238191
BaseRepresentation
bin1011111111111010
32111102020
423333322
53033041
61015310
7263166
oct137772
974366
1049146
1133a19
1224536
13194a6
1413ca6
15e866
hexbffa

49146 has 8 divisors (see below), whose sum is σ = 98304. Its totient is φ = 16380.

The previous prime is 49139. The next prime is 49157. The reversal of 49146 is 64194.

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

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 15.

It is an unprimeable number.

49146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 4090 + ... + 4101.

It is an arithmetic number, because the mean of its divisors is an integer number (12288).

249146 is an apocalyptic number.

49146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49152).

49146 is a wasteful number, since it uses less digits than its factorization.

49146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8196.

The product of its digits is 864, while the sum is 24.

The square root of 49146 is about 221.6889713089. The cubic root of 49146 is about 36.6293651877.

The spelling of 49146 in words is "forty-nine thousand, one hundred forty-six".

Divisors: 1 2 3 6 8191 16382 24573 49146