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490378465 = 51098831019
BaseRepresentation
bin11101001110101…
…001010011100001
31021011201210210101
4131032221103201
52001014102330
6120354302401
715103101553
oct3516512341
91234653711
10490378465
11231895665
12118287a01
137a796895
14491ad4d3
152d0b74ca
hex1d3a94e1

490378465 has 16 divisors (see below), whose sum is σ = 595108800. Its totient is φ = 387882432.

The previous prime is 490378463. The next prime is 490378477. The reversal of 490378465 is 564873094.

It is a cyclic number.

It is not a de Polignac number, because 490378465 - 21 = 490378463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490378463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480726 + ... + 481744.

It is an arithmetic number, because the mean of its divisors is an integer number (37194300).

Almost surely, 2490378465 is an apocalyptic number.

It is an amenable number.

490378465 is a deficient number, since it is larger than the sum of its proper divisors (104730335).

490378465 is a wasteful number, since it uses less digits than its factorization.

490378465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 490378465 is about 22144.4906240807. The cubic root of 490378465 is about 788.5764380774.

The spelling of 490378465 in words is "four hundred ninety million, three hundred seventy-eight thousand, four hundred sixty-five".

Divisors: 1 5 109 545 883 1019 4415 5095 96247 111071 481235 555355 899777 4498885 98075693 490378465