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490795906 = 23142118803
BaseRepresentation
bin11101010000001…
…111001110000010
31021012112000102011
4131100033032002
52001120432111
6120411243134
715106460566
oct3520171602
91235460364
10490795906
11232050257
121184494aa
137a8b18a3
144927b6a6
152d14b021
hex1d40f382

490795906 has 16 divisors (see below), whose sum is σ = 761787648. Its totient is φ = 236905200.

The previous prime is 490795901. The next prime is 490795931. The reversal of 490795906 is 609597094.

It is a self number, because there is not a number n which added to its sum of digits gives 490795906.

It is not an unprimeable number, because it can be changed into a prime (490795901) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16701 + ... + 35503.

It is an arithmetic number, because the mean of its divisors is an integer number (47611728).

Almost surely, 2490795906 is an apocalyptic number.

490795906 is a deficient number, since it is larger than the sum of its proper divisors (270991742).

490795906 is a wasteful number, since it uses less digits than its factorization.

490795906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19257.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 490795906 is about 22153.9140108469. The cubic root of 490795906 is about 788.8001365722.

The spelling of 490795906 in words is "four hundred ninety million, seven hundred ninety-five thousand, nine hundred six".

Divisors: 1 2 31 62 421 842 13051 18803 26102 37606 582893 1165786 7916063 15832126 245397953 490795906