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49680288 = 25327191297
BaseRepresentation
bin1011110110000…
…0111110100000
310110111000112200
42331200332200
5100204232123
64532453200
71142163330
oct275407640
9113430480
1049680288
1126052599
121477a200
13a3a5a28
1468530c0
154565143
hex2f60fa0

49680288 has 144 divisors (see below), whose sum is σ = 170089920. Its totient is φ = 13436928.

The previous prime is 49680283. The next prime is 49680289. The reversal of 49680288 is 88208694.

It is a happy number.

49680288 is a `hidden beast` number, since 496 + 80 + 2 + 88 = 666.

49680288 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 (144).

It is not an unprimeable number, because it can be changed into a prime (49680283) 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 23 ways as a sum of consecutive naturals, for example, 37656 + ... + 38952.

It is an arithmetic number, because the mean of its divisors is an integer number (1181180).

Almost surely, 249680288 is an apocalyptic number.

49680288 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 49680288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85044960).

49680288 is an abundant number, since it is smaller than the sum of its proper divisors (120409632).

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

49680288 is a wasteful number, since it uses less digits than its factorization.

49680288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 49680288 is about 7048.4245048096. The cubic root of 49680288 is about 367.6162508805.

The spelling of 49680288 in words is "forty-nine million, six hundred eighty thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 32 36 38 42 48 56 57 63 72 76 84 96 112 114 126 133 144 152 168 171 224 228 252 266 288 304 336 342 399 456 504 532 608 672 684 798 912 1008 1064 1197 1297 1368 1596 1824 2016 2128 2394 2594 2736 3192 3891 4256 4788 5188 5472 6384 7782 9079 9576 10376 11673 12768 15564 18158 19152 20752 23346 24643 27237 31128 36316 38304 41504 46692 49286 54474 62256 72632 73929 81711 93384 98572 108948 124512 145264 147858 163422 172501 186768 197144 217896 221787 290528 295716 326844 345002 373536 394288 435792 443574 517503 591432 653688 690004 788576 871584 887148 1035006 1182864 1307376 1380008 1552509 1774296 2070012 2365728 2614752 2760016 3105018 3548592 4140024 5520032 6210036 7097184 8280048 12420072 16560096 24840144 49680288