Base | Representation |
---|---|
bin | 11101010000010… |
… | …000101101001011 |
3 | 1021012112022202200 |
4 | 131100100231023 |
5 | 2001121130440 |
6 | 120411331243 |
7 | 15106514415 |
oct | 3520205513 |
9 | 1235468680 |
10 | 490801995 |
11 | 232054892 |
12 | 118450b23 |
13 | 7a8b45a8 |
14 | 4927d9b5 |
15 | 2d14cc30 |
hex | 1d410b4b |
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".
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