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49120880 = 245896899
BaseRepresentation
bin1011101101100…
…0011001110000
310102102121011212
42323120121300
5100033332010
64512455252
71134343364
oct273303160
9112377155
1049120880
1125800276
121454a528
13a23b213
1467492a4
1544a4505
hex2ed8670

49120880 has 40 divisors (see below), whose sum is σ = 115506000. Its totient is φ = 19424768.

The previous prime is 49120873. The next prime is 49120889. The reversal of 49120880 is 8802194.

It is a happy number.

49120880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49120889) 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 7 ways as a sum of consecutive naturals, for example, 3671 + ... + 10569.

It is an arithmetic number, because the mean of its divisors is an integer number (2887650).

Almost surely, 249120880 is an apocalyptic number.

49120880 is a gapful number since it is divisible by the number (40) 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 49120880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57753000).

49120880 is an abundant number, since it is smaller than the sum of its proper divisors (66385120).

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

49120880 is a wasteful number, since it uses less digits than its factorization.

49120880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001 (or 6995 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 49120880 is about 7008.6289672089. The cubic root of 49120880 is about 366.2312333374.

The spelling of 49120880 in words is "forty-nine million, one hundred twenty thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 89 178 356 445 712 890 1424 1780 3560 6899 7120 13798 27596 34495 55192 68990 110384 137980 275960 551920 614011 1228022 2456044 3070055 4912088 6140110 9824176 12280220 24560440 49120880