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549393020 = 225113767493
BaseRepresentation
bin100000101111110…
…001001001111100
31102021210001112122
4200233301021330
52111121034040
6130303222112
716420522631
oct4057611174
91367701478
10549393020
11262133120
12133ba7938
1389a8a137
1452d72188
15333731b5
hex20bf127c

549393020 has 48 divisors (see below), whose sum is σ = 1292645088. Its totient is φ = 194376960.

The previous prime is 549393001. The next prime is 549393041. The reversal of 549393020 is 20393945.

549393020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25607 + ... + 41886.

It is an arithmetic number, because the mean of its divisors is an integer number (26930106).

Almost surely, 2549393020 is an apocalyptic number.

It is an amenable number.

549393020 is an abundant number, since it is smaller than the sum of its proper divisors (743252068).

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

549393020 is a wasteful number, since it uses less digits than its factorization.

549393020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67550 (or 67548 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 549393020 is about 23439.1343696818. The cubic root of 549393020 is about 819.0197586725.

The spelling of 549393020 in words is "five hundred forty-nine million, three hundred ninety-three thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 37 44 55 74 110 148 185 220 370 407 740 814 1628 2035 4070 8140 67493 134986 269972 337465 674930 742423 1349860 1484846 2497241 2969692 3712115 4994482 7424230 9988964 12486205 14848460 24972410 27469651 49944820 54939302 109878604 137348255 274696510 549393020