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49028 = 22717103
BaseRepresentation
bin1011111110000100
32111020212
423332010
53032103
61014552
7262640
oct137604
974225
1049028
1133921
1224458
1319415
1413c20
15e7d8
hexbf84

49028 has 24 divisors (see below), whose sum is σ = 104832. Its totient is φ = 19584.

The previous prime is 49019. The next prime is 49031. The reversal of 49028 is 82094.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 48994 and 49012.

It is a congruent number.

It is an unprimeable number.

49028 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 7 ways as a sum of consecutive naturals, for example, 425 + ... + 527.

It is an arithmetic number, because the mean of its divisors is an integer number (4368).

249028 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 49028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52416).

49028 is an abundant number, since it is smaller than the sum of its proper divisors (55804).

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

49028 is a wasteful number, since it uses less digits than its factorization.

49028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 49028 is about 221.4226727325. The cubic root of 49028 is about 36.6000258791.

The spelling of 49028 in words is "forty-nine thousand, twenty-eight".

Divisors: 1 2 4 7 14 17 28 34 68 103 119 206 238 412 476 721 1442 1751 2884 3502 7004 12257 24514 49028