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489422620 = 22524471131
BaseRepresentation
bin11101001010111…
…111111100011100
31021002221020121201
4131022333330130
52000243010440
6120322005244
715062011051
oct3512777434
91232836551
10489422620
112312a2505
12117aa6824
137a5207ab
1449001028
152ce7919a
hex1d2bff1c

489422620 has 12 divisors (see below), whose sum is σ = 1027787544. Its totient is φ = 195769040.

The previous prime is 489422611. The next prime is 489422621. The reversal of 489422620 is 26224984.

It is a self number, because there is not a number n which added to its sum of digits gives 489422620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489422621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12235546 + ... + 12235585.

It is an arithmetic number, because the mean of its divisors is an integer number (85648962).

Almost surely, 2489422620 is an apocalyptic number.

It is an amenable number.

489422620 is an abundant number, since it is smaller than the sum of its proper divisors (538364924).

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

489422620 is a wasteful number, since it uses less digits than its factorization.

489422620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24471140 (or 24471138 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 489422620 is about 22122.8980922482. The cubic root of 489422620 is about 788.0637407963.

The spelling of 489422620 in words is "four hundred eighty-nine million, four hundred twenty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 24471131 48942262 97884524 122355655 244711310 489422620