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490382854 = 21333755967
BaseRepresentation
bin11101001110101…
…010011000000110
31021011202000210221
4131032222120012
52001014222404
6120354334554
715103120423
oct3516523006
91234660727
10490382854
11231898995
1211828a45a
137a798890
14491b0d4a
152d0b8954
hex1d3aa606

490382854 has 16 divisors (see below), whose sum is σ = 794521728. Its totient is φ = 225654912.

The previous prime is 490382803. The next prime is 490382861. The reversal of 490382854 is 458283094.

It is a self number, because there is not a number n which added to its sum of digits gives 490382854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19222 + ... + 36745.

It is an arithmetic number, because the mean of its divisors is an integer number (49657608).

Almost surely, 2490382854 is an apocalyptic number.

490382854 is a deficient number, since it is larger than the sum of its proper divisors (304138874).

490382854 is a wasteful number, since it uses less digits than its factorization.

490382854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56319.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 490382854 is about 22144.5897230001. The cubic root of 490382854 is about 788.5787907171.

The spelling of 490382854 in words is "four hundred ninety million, three hundred eighty-two thousand, eight hundred fifty-four".

Divisors: 1 2 13 26 337 674 4381 8762 55967 111934 727571 1455142 18860879 37721758 245191427 490382854