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49312 = 252367
BaseRepresentation
bin1100000010100000
32111122101
430002200
53034222
61020144
7263524
oct140240
974571
1049312
113405a
1224654
13195a3
1413d84
15e927
hexc0a0

49312 has 24 divisors (see below), whose sum is σ = 102816. Its totient is φ = 23232.

The previous prime is 49307. The next prime is 49331. The reversal of 49312 is 21394.

It is a self number, because there is not a number n which added to its sum of digits gives 49312.

It is an unprimeable number.

49312 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703 + ... + 769.

It is an arithmetic number, because the mean of its divisors is an integer number (4284).

249312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51408).

49312 is an abundant number, since it is smaller than the sum of its proper divisors (53504).

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

49312 is a wasteful number, since it uses less digits than its factorization.

49312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 92 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 49312 is about 222.0630541085. The cubic root of 49312 is about 36.6705597336.

It can be divided in two parts, 493 and 12, that added together give a palindrome (505).

The spelling of 49312 in words is "forty-nine thousand, three hundred twelve".

Divisors: 1 2 4 8 16 23 32 46 67 92 134 184 268 368 536 736 1072 1541 2144 3082 6164 12328 24656 49312