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1020056235 = 351114941491
BaseRepresentation
bin111100110011001…
…101001010101011
32122002102020002120
4330303031022223
54042113244420
6245115202323
734164222612
oct7463151253
92562366076
101020056235
11483882390
122457463a3
13133440093
149968c879
155e843d40
hex3cccd2ab

1020056235 has 32 divisors (see below), whose sum is σ = 1792454400. Its totient is φ = 491241600.

The previous prime is 1020056203. The next prime is 1020056239. The reversal of 1020056235 is 5326500201.

It is not a de Polignac number, because 1020056235 - 25 = 1020056203 is a prime.

It is a super-3 number, since 3×10200562353 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020056239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3840 + ... + 45330.

It is an arithmetic number, because the mean of its divisors is an integer number (56014200).

Almost surely, 21020056235 is an apocalyptic number.

1020056235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1020056235 is a deficient number, since it is larger than the sum of its proper divisors (772398165).

1020056235 is a wasteful number, since it uses less digits than its factorization.

1020056235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41659.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1020056235 is about 31938.3192262837. The cubic root of 1020056235 is about 1006.6412083797.

Adding to 1020056235 its reverse (5326500201), we get a palindrome (6346556436).

The spelling of 1020056235 in words is "one billion, twenty million, fifty-six thousand, two hundred thirty-five".

Divisors: 1 3 5 11 15 33 55 149 165 447 745 1639 2235 4917 8195 24585 41491 124473 207455 456401 622365 1369203 2282005 6182159 6846015 18546477 30910795 68003749 92732385 204011247 340018745 1020056235