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490823019 = 32376173331
BaseRepresentation
bin11101010000010…
…101110101101011
31021012120101121100
4131100111311223
52001122314034
6120412012443
715106632621
oct3520256553
91235511540
10490823019
11232069665
12118461123
137a8c102b
1449287511
152d154099
hex1d415d6b

490823019 has 48 divisors (see below), whose sum is σ = 752468704. Its totient is φ = 307929600.

The previous prime is 490822993. The next prime is 490823023. The reversal of 490823019 is 910328094.

It is not a de Polignac number, because 490823019 - 25 = 490822987 is a prime.

It is a super-2 number, since 2×4908230192 = 481814471960548722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (490823719) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1482684 + ... + 1483014.

Almost surely, 2490823019 is an apocalyptic number.

490823019 is a deficient number, since it is larger than the sum of its proper divisors (261645685).

490823019 is a wasteful number, since it uses less digits than its factorization.

490823019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 490823019 is about 22154.5259258690. The cubic root of 490823019 is about 788.8146615129.

The spelling of 490823019 in words is "four hundred ninety million, eight hundred twenty-three thousand, nineteen".

Divisors: 1 3 9 37 61 73 111 183 219 331 333 549 657 993 2257 2701 2979 4453 6771 8103 12247 13359 20191 20313 24163 24309 36741 40077 60573 72489 110223 164761 181719 217467 494283 747067 894031 1473943 1482849 2241201 2682093 4421829 6723603 8046279 13265487 54535891 163607673 490823019