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36261145 = 56121949
BaseRepresentation
bin1000101001010…
…0110100011001
32112020020221101
42022110310121
533240324040
63333111401
7620133424
oct212246431
975206841
1036261145
1119517598
1210188561
137687acb
144b5c9bb
1532b409a
hex2294d19

36261145 has 12 divisors (see below), whose sum is σ = 44261100. Its totient is φ = 28518720.

The previous prime is 36261131. The next prime is 36261157. The reversal of 36261145 is 54116263.

It can be written as a sum of positive squares in 6 ways, for example, as 8667136 + 27594009 = 2944^2 + 5253^2 .

It is a de Polignac number, because none of the positive numbers 2k-36261145 is a prime.

It is a super-2 number, since 2×362611452 = 2629741273422050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17631 + ... + 19579.

It is an arithmetic number, because the mean of its divisors is an integer number (3688425).

Almost surely, 236261145 is an apocalyptic number.

It is an amenable number.

36261145 is a deficient number, since it is larger than the sum of its proper divisors (7999955).

36261145 is an equidigital number, since it uses as much as digits as its factorization.

36261145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076 (or 2015 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 36261145 is about 6021.7227601410. The cubic root of 36261145 is about 330.9892111378.

The spelling of 36261145 in words is "thirty-six million, two hundred sixty-one thousand, one hundred forty-five".

Divisors: 1 5 61 305 1949 3721 9745 18605 118889 594445 7252229 36261145