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495887990 = 25137575039
BaseRepresentation
bin11101100011101…
…010011001110110
31021120002201102212
4131203222121312
52003421403430
6121112333422
715200656403
oct3543523166
91246081385
10495887990
11234a08a94
1211a0a4272
137b975560
1449c052aa
152d804b95
hex1d8ea676

495887990 has 32 divisors (see below), whose sum is σ = 962720640. Its totient is φ = 182818944.

The previous prime is 495887947. The next prime is 495887993. The reversal of 495887990 is 99788594.

It is a super-3 number, since 3×4958879903 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495887993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95891 + ... + 100929.

It is an arithmetic number, because the mean of its divisors is an integer number (30085020).

Almost surely, 2495887990 is an apocalyptic number.

495887990 is a deficient number, since it is larger than the sum of its proper divisors (466832650).

495887990 is a wasteful number, since it uses less digits than its factorization.

495887990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The square root of 495887990 is about 22268.5426105976. The cubic root of 495887990 is about 791.5187309664.

The spelling of 495887990 in words is "four hundred ninety-five million, eight hundred eighty-seven thousand, nine hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 757 1514 3785 5039 7570 9841 10078 19682 25195 49205 50390 65507 98410 131014 327535 655070 3814523 7629046 19072615 38145230 49588799 99177598 247943995 495887990