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36608161 = 157233173
BaseRepresentation
bin1000101110100…
…1100010100001
32112212212221211
42023221202201
533332430121
63344350121
7623110222
oct213514241
975785854
1036608161
1119734287
1210315341
137779a45
144c0d249
153331ce1
hex22e98a1

36608161 has 4 divisors (see below), whose sum is σ = 36841492. Its totient is φ = 36374832.

The previous prime is 36608149. The next prime is 36608171. The reversal of 36608161 is 16180663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16180663 = 36744089.

It can be written as a sum of positive squares in 2 ways, for example, as 16974400 + 19633761 = 4120^2 + 4431^2 .

It is a cyclic number.

It is not a de Polignac number, because 36608161 - 25 = 36608129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36608171) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 116430 + ... + 116743.

It is an arithmetic number, because the mean of its divisors is an integer number (9210373).

Almost surely, 236608161 is an apocalyptic number.

It is an amenable number.

36608161 is a deficient number, since it is larger than the sum of its proper divisors (233331).

36608161 is a wasteful number, since it uses less digits than its factorization.

36608161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233330.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 36608161 is about 6050.4678331514. The cubic root of 36608161 is about 332.0417067893.

The spelling of 36608161 in words is "thirty-six million, six hundred eight thousand, one hundred sixty-one".

Divisors: 1 157 233173 36608161