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490803619 = 3591367141
BaseRepresentation
bin11101010000010…
…001000110100011
31021012112101222211
4131100101012203
52001121203434
6120411342551
715106522225
oct3520210643
91235471884
10490803619
11232056029
12118451a57
137a8b5257
1449280415
152d14d464
hex1d4111a3

490803619 has 4 divisors (see below), whose sum is σ = 492171120. Its totient is φ = 489436120.

The previous prime is 490803587. The next prime is 490803623. The reversal of 490803619 is 916308094.

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 490803619 - 25 = 490803587 is a prime.

It is a super-2 number, since 2×4908036192 = 481776384846994322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490803679) 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, 683212 + ... + 683929.

It is an arithmetic number, because the mean of its divisors is an integer number (123042780).

Almost surely, 2490803619 is an apocalyptic number.

490803619 is a deficient number, since it is larger than the sum of its proper divisors (1367501).

490803619 is a wasteful number, since it uses less digits than its factorization.

490803619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367500.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 490803619 is about 22154.0880877548. The cubic root of 490803619 is about 788.8042686249.

The spelling of 490803619 in words is "four hundred ninety million, eight hundred three thousand, six hundred nineteen".

Divisors: 1 359 1367141 490803619