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49319 = 149331
BaseRepresentation
bin1100000010100111
32111122122
430002213
53034234
61020155
7263534
oct140247
974578
1049319
1134066
122465b
13195aa
1413d8b
15e92e
hexc0a7

49319 has 4 divisors (see below), whose sum is σ = 49800. Its totient is φ = 48840.

The previous prime is 49307. The next prime is 49331. The reversal of 49319 is 91394.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 91394 = 245697.

It is an interprime number because it is at equal distance from previous prime (49307) and next prime (49331).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49319 is a prime.

It is a super-2 number, since 2×493192 = 4864727522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49339) 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, 17 + ... + 314.

It is an arithmetic number, because the mean of its divisors is an integer number (12450).

249319 is an apocalyptic number.

49319 is a deficient number, since it is larger than the sum of its proper divisors (481).

49319 is a wasteful number, since it uses less digits than its factorization.

49319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480.

The product of its digits is 972, while the sum is 26.

The square root of 49319 is about 222.0788148383. The cubic root of 49319 is about 36.6722948202.

It can be divided in two parts, 493 and 19, that added together give a 9-th power (512 = 29).

The spelling of 49319 in words is "forty-nine thousand, three hundred nineteen".

Divisors: 1 149 331 49319