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49920768 = 283247461
BaseRepresentation
bin1011111001101…
…1101100000000
310110221020102100
42332123230000
5100234431033
64541550400
71144214412
oct276335400
9113836370
1049920768
11261a7237
1214875400
13a45b321
1468b69b2
1545b1513
hex2f9bb00

49920768 has 108 divisors (see below), whose sum is σ = 147315168. Its totient is φ = 16250880.

The previous prime is 49920763. The next prime is 49920799. The reversal of 49920768 is 86702994.

It is a happy number.

49920768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (49920763) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 108058 + ... + 108518.

Almost surely, 249920768 is an apocalyptic number.

49920768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49920768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73657584).

49920768 is an abundant number, since it is smaller than the sum of its proper divisors (97394400).

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

49920768 is a wasteful number, since it uses less digits than its factorization.

49920768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 49920768 is about 7065.4630421509. The cubic root of 49920768 is about 368.2084515297.

The spelling of 49920768 in words is "forty-nine million, nine hundred twenty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 47 48 64 72 94 96 128 141 144 188 192 256 282 288 376 384 423 461 564 576 752 768 846 922 1128 1152 1383 1504 1692 1844 2256 2304 2766 3008 3384 3688 4149 4512 5532 6016 6768 7376 8298 9024 11064 12032 13536 14752 16596 18048 21667 22128 27072 29504 33192 36096 43334 44256 54144 59008 65001 66384 86668 88512 108288 118016 130002 132768 173336 177024 195003 260004 265536 346672 354048 390006 520008 531072 693344 780012 1040016 1062144 1386688 1560024 2080032 2773376 3120048 4160064 5546752 6240096 8320128 12480192 16640256 24960384 49920768