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490801995 = 32553732819
BaseRepresentation
bin11101010000010…
…000101101001011
31021012112022202200
4131100100231023
52001121130440
6120411331243
715106514415
oct3520205513
91235468680
10490801995
11232054892
12118450b23
137a8b45a8
144927d9b5
152d14cc30
hex1d410b4b

490801995 has 48 divisors (see below), whose sum is σ = 878960160. Its totient is φ = 253214208.

The previous prime is 490801967. The next prime is 490802017. The reversal of 490801995 is 599108094.

It is not a de Polignac number, because 490801995 - 26 = 490801931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 490801995.

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 47 ways as a sum of consecutive naturals, for example, 172696 + ... + 175514.

It is an arithmetic number, because the mean of its divisors is an integer number (18311670).

Almost surely, 2490801995 is an apocalyptic number.

490801995 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

490801995 is a deficient number, since it is larger than the sum of its proper divisors (388158165).

490801995 is a wasteful number, since it uses less digits than its factorization.

490801995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956 (or 2953 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 490801995 is about 22154.0514353470. The cubic root of 490801995 is about 788.8033986099.

The spelling of 490801995 in words is "four hundred ninety million, eight hundred one thousand, nine hundred ninety-five".

Divisors: 1 3 5 9 15 45 53 73 159 219 265 365 477 657 795 1095 2385 2819 3285 3869 8457 11607 14095 19345 25371 34821 42285 58035 126855 149407 174105 205787 448221 617361 747035 1028935 1344663 1852083 2241105 3086805 6723315 9260415 10906711 32720133 54533555 98160399 163600665 490801995