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290250485385 = 3576991395407
BaseRepresentation
bin1000011100101000100…
…01101110111010001001
31000202012001111100222020
410032110101232322021
514223413111013020
6341201135115053
726653451263440
oct4162421567211
91022161440866
10290250485385
11102104917703
1248304372a89
13214a7cc3a53
1410096383d57
15783b7cdc40
hex439446ee89

290250485385 has 32 divisors (see below), whose sum is σ = 530821005312. Its totient is φ = 132666621120.

The previous prime is 290250485347. The next prime is 290250485387. The reversal of 290250485385 is 583584052092.

It is not a de Polignac number, because 290250485385 - 29 = 290250484873 is a prime.

It is a super-3 number, since 3×2902504853853 (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (290250485387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536352 + ... + 931758.

It is an arithmetic number, because the mean of its divisors is an integer number (16588156416).

Almost surely, 2290250485385 is an apocalyptic number.

It is an amenable number.

290250485385 is a deficient number, since it is larger than the sum of its proper divisors (240570519927).

290250485385 is a wasteful number, since it uses less digits than its factorization.

290250485385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402413.

The product of its (nonzero) digits is 3456000, while the sum is 51.

It can be divided in two parts, 290250 and 485385, that added together give a triangular number (775635 = T1245).

The spelling of 290250485385 in words is "two hundred ninety billion, two hundred fifty million, four hundred eighty-five thousand, three hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 105 6991 20973 34955 48937 104865 146811 244685 395407 734055 1186221 1977035 2767849 5931105 8303547 13839245 41517735 2764290337 8292871011 13821451685 19350032359 41464355055 58050097077 96750161795 290250485385