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36169897 = 172127641
BaseRepresentation
bin1000100111111…
…0100010101001
32112001121202211
42021332202221
533224414042
63331125121
7616303411
oct211764251
975047684
1036169897
1119464a85
12101437a1
13765540a
144b37641
153297017
hex227e8a9

36169897 has 4 divisors (see below), whose sum is σ = 38297556. Its totient is φ = 34042240.

The previous prime is 36169879. The next prime is 36169907. The reversal of 36169897 is 79896163.

36169897 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 an emirpimes, since its reverse is a distinct semiprime: 79896163 = 641124643.

It can be written as a sum of positive squares in 2 ways, for example, as 15594601 + 20575296 = 3949^2 + 4536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-36169897 is a prime.

It is a super-2 number, since 2×361698972 = 2616522897981218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36169897.

It is not an unprimeable number, because it can be changed into a prime (36169807) 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, 1063804 + ... + 1063837.

It is an arithmetic number, because the mean of its divisors is an integer number (9574389).

Almost surely, 236169897 is an apocalyptic number.

It is an amenable number.

36169897 is a deficient number, since it is larger than the sum of its proper divisors (2127659).

36169897 is a wasteful number, since it uses less digits than its factorization.

36169897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127658.

The product of its digits is 489888, while the sum is 49.

The square root of 36169897 is about 6014.1414183572. The cubic root of 36169897 is about 330.7113427963.

The spelling of 36169897 in words is "thirty-six million, one hundred sixty-nine thousand, eight hundred ninety-seven".

Divisors: 1 17 2127641 36169897