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290820483250 = 253111721372671
BaseRepresentation
bin1000011101101100100…
…00000110100010110010
31000210122210001021001021
410032312100012202302
514231100020431000
6341333500130054
730003542215003
oct4166620064262
91023583037037
10290820483250
11102377643520
124844323692a
13215691166ab
141010bd5b1aa
15787187211a
hex43b64068b2

290820483250 has 192 divisors, whose sum is σ = 635742162432. Its totient is φ = 98768640000.

The previous prime is 290820483203. The next prime is 290820483253. The reversal of 290820483250 is 52384028092.

It is a junction number, because it is equal to n+sod(n) for n = 290820483197 and 290820483206.

It is not an unprimeable number, because it can be changed into a prime (290820483253) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 108879415 + ... + 108882085.

It is an arithmetic number, because the mean of its divisors is an integer number (3311157096).

Almost surely, 2290820483250 is an apocalyptic number.

290820483250 is an abundant number, since it is smaller than the sum of its proper divisors (344921679182).

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

290820483250 is a wasteful number, since it uses less digits than its factorization.

290820483250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870 (or 2843 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 290820483250 in words is "two hundred ninety billion, eight hundred twenty million, four hundred eighty-three thousand, two hundred fifty".