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489696852 = 223343311887
BaseRepresentation
bin11101001100000…
…010111001010100
31021010110011210110
4131030002321110
52000330244402
6120331523020
715064232421
oct3514027124
91233404713
10489696852
1123146a547
12117bb9470
137a5b8568
1449072d48
152ced056c
hex1d302e54

489696852 has 24 divisors (see below), whose sum is σ = 1143054976. Its totient is φ = 163171008.

The previous prime is 489696847. The next prime is 489696853. The reversal of 489696852 is 258696984.

It is a junction number, because it is equal to n+sod(n) for n = 489696792 and 489696801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489696853) 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, 35253 + ... + 47139.

Almost surely, 2489696852 is an apocalyptic number.

It is an amenable number.

489696852 is an abundant number, since it is smaller than the sum of its proper divisors (653358124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489696852 is a wasteful number, since it uses less digits than its factorization.

489696852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15327 (or 15325 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 57.

The square root of 489696852 is about 22129.0951464356. The cubic root of 489696852 is about 788.2109019175.

The spelling of 489696852 in words is "four hundred eighty-nine million, six hundred ninety-six thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 3433 6866 10299 11887 13732 20598 23774 35661 41196 47548 71322 142644 40808071 81616142 122424213 163232284 244848426 489696852