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490382851 = 7179391367
BaseRepresentation
bin11101001110101…
…010011000000011
31021011202000210211
4131032222120003
52001014222401
6120354334551
715103120420
oct3516523003
91234660724
10490382851
11231898992
1211828a457
137a79888a
14491b0d47
152d0b8951
hex1d3aa603

490382851 has 8 divisors (see below), whose sum is σ = 563569920. Its totient is φ = 417978888.

The previous prime is 490382803. The next prime is 490382861. The reversal of 490382851 is 158283094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 490382851 - 29 = 490382339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490382801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194431 + ... + 196936.

It is an arithmetic number, because the mean of its divisors is an integer number (70446240).

Almost surely, 2490382851 is an apocalyptic number.

490382851 is a deficient number, since it is larger than the sum of its proper divisors (73187069).

490382851 is a wasteful number, since it uses less digits than its factorization.

490382851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391553.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 490382851 is about 22144.5896552634. The cubic root of 490382851 is about 788.5787891091.

The spelling of 490382851 in words is "four hundred ninety million, three hundred eighty-two thousand, eight hundred fifty-one".

Divisors: 1 7 179 1253 391367 2739569 70054693 490382851