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490887750 = 23531738501
BaseRepresentation
bin11101010000100…
…101101001000110
31021012200200101210
4131100211221012
52001131402000
6120413232250
715110322423
oct3520455106
91235620353
10490887750
11232103261
12118492686
137a914632
14492a2d4a
152d168350
hex1d425a46

490887750 has 64 divisors (see below), whose sum is σ = 1297363392. Its totient is φ = 123200000.

The previous prime is 490887737. The next prime is 490887791. The reversal of 490887750 is 57788094.

It is a self number, because there is not a number n which added to its sum of digits gives 490887750.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 6501 + ... + 32000.

It is an arithmetic number, because the mean of its divisors is an integer number (20271303).

Almost surely, 2490887750 is an apocalyptic number.

490887750 is an abundant number, since it is smaller than the sum of its proper divisors (806475642).

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

490887750 is a wasteful number, since it uses less digits than its factorization.

490887750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38538 (or 38528 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 490887750 is about 22155.9867755873. The cubic root of 490887750 is about 788.8493369563.

The spelling of 490887750 in words is "four hundred ninety million, eight hundred eighty-seven thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 17 25 30 34 50 51 75 85 102 125 150 170 250 255 375 425 510 750 850 1275 2125 2550 4250 6375 12750 38501 77002 115503 192505 231006 385010 577515 654517 962525 1155030 1309034 1925050 1963551 2887575 3272585 3927102 4812625 5775150 6545170 9625250 9817755 14437875 16362925 19635510 28875750 32725850 49088775 81814625 98177550 163629250 245443875 490887750