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290789483380 = 225111132273
BaseRepresentation
bin1000011101101000110…
…01110110001101110100
31000210120121201022012221
410032310121312031310
514231014101432010
6341330431452124
730003014553244
oct4166431661564
91023517638187
10290789483380
1110236109a8a0
1248434987044
1321562881586
1410107babb24
15786dc9bdda
hex43b4676374

290789483380 has 96 divisors (see below), whose sum is σ = 675041351040. Its totient is φ = 104344163840.

The previous prime is 290789483377. The next prime is 290789483401. The reversal of 290789483380 is 83384987092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1281010827 + ... + 1281011053.

It is an arithmetic number, because the mean of its divisors is an integer number (7031680740).

Almost surely, 2290789483380 is an apocalyptic number.

290789483380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290789483380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337520675520).

290789483380 is an abundant number, since it is smaller than the sum of its proper divisors (384251867660).

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

290789483380 is an equidigital number, since it uses as much as digits as its factorization.

290789483380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 290789483380 in words is "two hundred ninety billion, seven hundred eighty-nine million, four hundred eighty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 113 220 226 227 452 454 565 908 1130 1135 1243 2260 2270 2486 2497 4540 4972 4994 6215 9988 12430 12485 24860 24970 25651 49940 51302 51529 102604 103058 128255 206116 256510 257645 282161 513020 515290 564322 566819 1030580 1128644 1133638 1410805 2267276 2821610 2834095 5643220 5668190 5822777 11336380 11645554 11697083 23291108 23394166 29113885 46788332 58227770 58485415 64050547 116455540 116970830 128101094 128667913 233941660 256202188 257335826 320252735 514671652 640505470 643339565 1281010940 1286679130 1321770379 2573358260 2643540758 5287081516 6608851895 13217703790 14539474169 26435407580 29078948338 58157896676 72697370845 145394741690 290789483380