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49771072 = 2613163367
BaseRepresentation
bin1011110111011…
…1001001000000
310110122122002001
42331313021000
5100220133242
64534433344
71143022111
oct275671100
9113578061
1049771072
112610481a
1214802854
13a408150
146878208
154581eb7
hex2f77240

49771072 has 56 divisors (see below), whose sum is σ = 107305856. Its totient is φ = 22768128.

The previous prime is 49771061. The next prime is 49771097. The reversal of 49771072 is 27017794.

49771072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 135433 + ... + 135799.

It is an arithmetic number, because the mean of its divisors is an integer number (1916176).

Almost surely, 249771072 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 49771072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53652928).

49771072 is an abundant number, since it is smaller than the sum of its proper divisors (57534784).

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

49771072 is a wasteful number, since it uses less digits than its factorization.

49771072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 49771072 is about 7054.8615861688. The cubic root of 49771072 is about 367.8400375979.

The spelling of 49771072 in words is "forty-nine million, seven hundred seventy-one thousand, seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 163 208 326 367 416 652 734 832 1304 1468 2119 2608 2936 4238 4771 5216 5872 8476 9542 10432 11744 16952 19084 23488 33904 38168 59821 67808 76336 119642 135616 152672 239284 305344 478568 777673 957136 1555346 1914272 3110692 3828544 6221384 12442768 24885536 49771072