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49517648 = 241928573
BaseRepresentation
bin1011110011100…
…1010001010000
310110011202102222
42330321101100
5100134031043
64525200212
71140615215
oct274712120
9113152388
1049517648
1125a51384
1214700068
13a3499ab
14680db0c
154531d68
hex2f39450

49517648 has 30 divisors (see below), whose sum is σ = 101267514. Its totient is φ = 23452992.

The previous prime is 49517647. The next prime is 49517653. The reversal of 49517648 is 84671594.

It can be written as a sum of positive squares in only one way, i.e., 38837824 + 10679824 = 6232^2 + 3268^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49517599 and 49517608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49517647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1490 + ... + 10062.

Almost surely, 249517648 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 49517648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50633757).

49517648 is an abundant number, since it is smaller than the sum of its proper divisors (51749866).

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

49517648 is a wasteful number, since it uses less digits than its factorization.

49517648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8619 (or 8594 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 49517648 is about 7036.8777167150. The cubic root of 49517648 is about 367.2146531651.

The spelling of 49517648 in words is "forty-nine million, five hundred seventeen thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 19 38 76 152 304 361 722 1444 2888 5776 8573 17146 34292 68584 137168 162887 325774 651548 1303096 2606192 3094853 6189706 12379412 24758824 49517648