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36056381 = 47897529
BaseRepresentation
bin1000100110001…
…0110100111101
32111211212001112
42021202310331
533212301011
63324451405
7615321434
oct211426475
974755045
1036056381
1119397769
12100a9b65
13761584a
144b0811b
15327358b
hex2262d3d

36056381 has 4 divisors (see below), whose sum is σ = 36068700. Its totient is φ = 36044064.

The previous prime is 36056369. The next prime is 36056393. The reversal of 36056381 is 18365063.

36056381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18365063 = 23798481.

It is an interprime number because it is at equal distance from previous prime (36056369) and next prime (36056393).

It can be written as a sum of positive squares in 2 ways, for example, as 6528025 + 29528356 = 2555^2 + 5434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-36056381 is a prime.

It is a super-2 number, since 2×360563812 = 2600125221634322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36056351) 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 3 ways as a sum of consecutive naturals, for example, 1025 + ... + 8553.

It is an arithmetic number, because the mean of its divisors is an integer number (9017175).

Almost surely, 236056381 is an apocalyptic number.

It is an amenable number.

36056381 is a deficient number, since it is larger than the sum of its proper divisors (12319).

36056381 is an equidigital number, since it uses as much as digits as its factorization.

36056381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12318.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 36056381 is about 6004.6965785125. The cubic root of 36056381 is about 330.3650108686.

The spelling of 36056381 in words is "thirty-six million, fifty-six thousand, three hundred eighty-one".

Divisors: 1 4789 7529 36056381