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494041820 = 22543956269
BaseRepresentation
bin11101011100100…
…111101011011100
31021102121220222012
4131130213223130
52002433314240
6121005010352
715146200106
oct3534475334
91242556865
10494041820
11233967a28
121195539b8
137b47a14c
1449884576
152d58cb65
hex1d727adc

494041820 has 24 divisors (see below), whose sum is σ = 1039869600. Its totient is φ = 197163072.

The previous prime is 494041789. The next prime is 494041837. The reversal of 494041820 is 28140494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19355 + ... + 36914.

It is an arithmetic number, because the mean of its divisors is an integer number (43327900).

Almost surely, 2494041820 is an apocalyptic number.

It is an amenable number.

494041820 is an abundant number, since it is smaller than the sum of its proper divisors (545827780).

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

494041820 is a wasteful number, since it uses less digits than its factorization.

494041820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56717 (or 56715 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 494041820 is about 22227.0515363599. The cubic root of 494041820 is about 790.5352458846.

The spelling of 494041820 in words is "four hundred ninety-four million, forty-one thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 439 878 1756 2195 4390 8780 56269 112538 225076 281345 562690 1125380 24702091 49404182 98808364 123510455 247020910 494041820