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229837740 = 223511348239
BaseRepresentation
bin11011011001100…
…00101110101100
3121000110222002220
431230300232230
5432314301430
634450115340
75460405606
oct1554605654
9530428086
10229837740
11108812550
1264b7bb50
1338803482
142274c176
15152a0110
hexdb30bac

229837740 has 48 divisors (see below), whose sum is σ = 702051840. Its totient is φ = 55718080.

The previous prime is 229837711. The next prime is 229837771. The reversal of 229837740 is 47738922.

It is a junction number, because it is equal to n+sod(n) for n = 229837692 and 229837701.

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, 173460 + ... + 174779.

It is an arithmetic number, because the mean of its divisors is an integer number (14626080).

Almost surely, 2229837740 is an apocalyptic number.

229837740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229837740 is an abundant number, since it is smaller than the sum of its proper divisors (472214100).

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

229837740 is a wasteful number, since it uses less digits than its factorization.

229837740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348262 (or 348260 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 229837740 is about 15160.4003904910. The cubic root of 229837740 is about 612.5484531987.

The spelling of 229837740 in words is "two hundred twenty-nine million, eight hundred thirty-seven thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 348239 696478 1044717 1392956 1741195 2089434 3482390 3830629 4178868 5223585 6964780 7661258 10447170 11491887 15322516 19153145 20894340 22983774 38306290 45967548 57459435 76612580 114918870 229837740