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36121321 = 712412111
BaseRepresentation
bin1000100111001…
…0101011101001
32111222011010201
42021302223221
533221340241
63330112201
7616011655
oct211625351
974864121
1036121321
1119431535
121011b661
137639282
144b23a65
153287931
hex2272ae9

36121321 has 8 divisors (see below), whose sum is σ = 36799488. Its totient is φ = 35448000.

The previous prime is 36121307. The next prime is 36121331. The reversal of 36121321 is 12312163.

36121321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36121321 - 27 = 36121193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36121331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16056 + ... + 18166.

It is an arithmetic number, because the mean of its divisors is an integer number (4599936).

Almost surely, 236121321 is an apocalyptic number.

It is an amenable number.

36121321 is a deficient number, since it is larger than the sum of its proper divisors (678167).

36121321 is a wasteful number, since it uses less digits than its factorization.

36121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423.

The product of its digits is 216, while the sum is 19.

The square root of 36121321 is about 6010.1015798404. The cubic root of 36121321 is about 330.5632285497.

Adding to 36121321 its reverse (12312163), we get a palindrome (48433484).

The spelling of 36121321 in words is "thirty-six million, one hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 71 241 2111 17111 149881 508751 36121321