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490763123 = 1728868419
BaseRepresentation
bin11101010000000…
…111001101110011
31021012110100102222
4131100013031303
52001113404443
6120410431255
715106263164
oct3520071563
91235410388
10490763123
11232028664
1211843252b
137a89c9a6
144926d76b
152d141468
hex1d407373

490763123 has 4 divisors (see below), whose sum is σ = 519631560. Its totient is φ = 461894688.

The previous prime is 490763107. The next prime is 490763129. The reversal of 490763123 is 321367094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 490763123 - 24 = 490763107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490763129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14434193 + ... + 14434226.

It is an arithmetic number, because the mean of its divisors is an integer number (129907890).

Almost surely, 2490763123 is an apocalyptic number.

490763123 is a deficient number, since it is larger than the sum of its proper divisors (28868437).

490763123 is a wasteful number, since it uses less digits than its factorization.

490763123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28868436.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 490763123 is about 22153.1741066602. The cubic root of 490763123 is about 788.7825733921.

The spelling of 490763123 in words is "four hundred ninety million, seven hundred sixty-three thousand, one hundred twenty-three".

Divisors: 1 17 28868419 490763123