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36391741 = 7326829
BaseRepresentation
bin1000101011010…
…0101100111101
32112110220002021
42022310230331
533304013431
63340000141
7621216241
oct212645475
975426067
1036391741
11195a6721
1210230051
137702399
144b94421
1532dcb11
hex22b4b3d

36391741 has 6 divisors (see below), whose sum is σ = 36902490. Its totient is φ = 35887968.

The previous prime is 36391739. The next prime is 36391753. The reversal of 36391741 is 14719363.

It can be written as a sum of positive squares in 3 ways, for example, as 7812025 + 28579716 = 2795^2 + 5346^2 .

It is not a de Polignac number, because 36391741 - 21 = 36391739 is a prime.

It is a super-2 number, since 2×363917412 = 2648717626022162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36391697 and 36391706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36391711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1915 + ... + 8743.

It is an arithmetic number, because the mean of its divisors is an integer number (6150415).

Almost surely, 236391741 is an apocalyptic number.

It is an amenable number.

36391741 is a deficient number, since it is larger than the sum of its proper divisors (510749).

36391741 is an frugal number, since it uses more digits than its factorization.

36391741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975 (or 6902 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The square root of 36391741 is about 6032.5567548097. The cubic root of 36391741 is about 331.3860921276.

The spelling of 36391741 in words is "thirty-six million, three hundred ninety-one thousand, seven hundred forty-one".

Divisors: 1 73 5329 6829 498517 36391741