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206003420 = 22573739769
BaseRepresentation
bin11000100011101…
…01110011011100
3112100122001120022
430101311303130
5410214102140
632235211312
75051000030
oct1421656334
9470561508
10206003420
11a6313467
1258ba6b38
13338a9a1c
141d5061c0
15131430b5
hexc475cdc

206003420 has 48 divisors (see below), whose sum is σ = 507783360. Its totient is φ = 68719104.

The previous prime is 206003419. The next prime is 206003431. The reversal of 206003420 is 24300602.

206003420 is digitally balanced in base 3, 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, 14705 + ... + 25064.

It is an arithmetic number, because the mean of its divisors is an integer number (10578820).

Almost surely, 2206003420 is an apocalyptic number.

206003420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206003420 is an abundant number, since it is smaller than the sum of its proper divisors (301779940).

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

206003420 is a wasteful number, since it uses less digits than its factorization.

206003420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39822 (or 39820 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 206003420 is about 14352.8192352583. The cubic root of 206003420 is about 590.5973266804.

The spelling of 206003420 in words is "two hundred six million, three thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 37 70 74 140 148 185 259 370 518 740 1036 1295 2590 5180 39769 79538 159076 198845 278383 397690 556766 795380 1113532 1391915 1471453 2783830 2942906 5567660 5885812 7357265 10300171 14714530 20600342 29429060 41200684 51500855 103001710 206003420