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535390121 = 7210926329
BaseRepresentation
bin11111111010010…
…110011110101001
31101022102122011202
4133322112132221
52044024440441
6125043133545
716160512100
oct3772263651
91338378152
10535390121
11255239582
1212b3742b5
1386bc65b6
1451169037
153200919b
hex1fe967a9

535390121 has 6 divisors (see below), whose sum is σ = 622800810. Its totient is φ = 458905776.

The previous prime is 535390087. The next prime is 535390127. The reversal of 535390121 is 121093535.

It can be written as a sum of positive squares in only one way, i.e., 525555625 + 9834496 = 22925^2 + 3136^2 .

It is not a de Polignac number, because 535390121 - 218 = 535127977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535390127) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5463116 + ... + 5463213.

It is an arithmetic number, because the mean of its divisors is an integer number (103800135).

Almost surely, 2535390121 is an apocalyptic number.

It is an amenable number.

535390121 is a deficient number, since it is larger than the sum of its proper divisors (87410689).

535390121 is a wasteful number, since it uses less digits than its factorization.

535390121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10926343 (or 10926336 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 535390121 is about 23138.4986764483. The cubic root of 535390121 is about 812.0014120071.

The spelling of 535390121 in words is "five hundred thirty-five million, three hundred ninety thousand, one hundred twenty-one".

Divisors: 1 7 49 10926329 76484303 535390121