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454290906140 = 22529783260183
BaseRepresentation
bin1101001110001011101…
…10010001110000011100
31121102121022111011021022
412213011312101300130
524420341432444030
6544410502423312
744551515663131
oct6470566216034
91542538434238
10454290906140
11165733411775
1274065131b38
1333abb365286
1417db8730588
15bc3cd27de5
hex69c5d91c1c

454290906140 has 24 divisors (see below), whose sum is σ = 986907831840. Its totient is φ = 175450280768.

The previous prime is 454290906133. The next prime is 454290906241. The reversal of 454290906140 is 41609092454.

It is a junction number, because it is equal to n+sod(n) for n = 454290906091 and 454290906100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391629512 + ... + 391630671.

It is an arithmetic number, because the mean of its divisors is an integer number (41121159660).

Almost surely, 2454290906140 is an apocalyptic number.

It is an amenable number.

454290906140 is an abundant number, since it is smaller than the sum of its proper divisors (532616925700).

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

454290906140 is a wasteful number, since it uses less digits than its factorization.

454290906140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783260221 (or 783260219 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

Adding to 454290906140 its reverse (41609092454), we get a palindrome (495899998594).

The spelling of 454290906140 in words is "four hundred fifty-four billion, two hundred ninety million, nine hundred six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 783260183 1566520366 3133040732 3916300915 7832601830 15665203660 22714545307 45429090614 90858181228 113572726535 227145453070 454290906140