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489653019 = 352015033
BaseRepresentation
bin11101001011111…
…000001100011011
31021010100221200000
4131023320030123
52000322344034
6120330544043
715063660552
oct3513701433
91233327600
10489653019
1123143a619
12117b98023
137a5a161b
1449060d99
152cec2599
hex1d2f831b

489653019 has 12 divisors (see below), whose sum is σ = 733472376. Its totient is φ = 326435184.

The previous prime is 489652987. The next prime is 489653033. The reversal of 489653019 is 910356984.

It is a happy number.

It is not a de Polignac number, because 489653019 - 25 = 489652987 is a prime.

It is a super-2 number, since 2×4896530192 = 479520158031628722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489653089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1007274 + ... + 1007759.

It is an arithmetic number, because the mean of its divisors is an integer number (61122698).

Almost surely, 2489653019 is an apocalyptic number.

489653019 is a deficient number, since it is larger than the sum of its proper divisors (243819357).

489653019 is an equidigital number, since it uses as much as digits as its factorization.

489653019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015048 (or 2015036 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 489653019 is about 22128.1047313140. The cubic root of 489653019 is about 788.1873835039.

It can be divided in two parts, 48965 and 3019, that added together give a square (51984 = 2282).

The spelling of 489653019 in words is "four hundred eighty-nine million, six hundred fifty-three thousand, nineteen".

Divisors: 1 3 9 27 81 243 2015033 6045099 18135297 54405891 163217673 489653019