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487814920 = 23512195373
BaseRepresentation
bin11101000100110…
…111011100001000
31020222220120021021
4131010313130020
51444340034140
6120223322224
715042233635
oct3504673410
91228816237
10487814920
112303a462a
12117450374
137a0a9aa8
1448b0318c
152cc5cb4a
hex1d137708

487814920 has 16 divisors (see below), whose sum is σ = 1097583660. Its totient is φ = 195125952.

The previous prime is 487814903. The next prime is 487814939. The reversal of 487814920 is 29418784.

It can be written as a sum of positive squares in 2 ways, for example, as 467510884 + 20304036 = 21622^2 + 4506^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6097647 + ... + 6097726.

Almost surely, 2487814920 is an apocalyptic number.

487814920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487814920 is an abundant number, since it is smaller than the sum of its proper divisors (609768740).

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

487814920 is a wasteful number, since it uses less digits than its factorization.

487814920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12195384 (or 12195380 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 487814920 is about 22086.5325481389. The cubic root of 487814920 is about 787.1998930379.

The spelling of 487814920 in words is "four hundred eighty-seven million, eight hundred fourteen thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 12195373 24390746 48781492 60976865 97562984 121953730 243907460 487814920