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80608201 = 101798101
BaseRepresentation
bin1001100110111…
…11101111001001
312121200022122221
410303133233021
5131113430301
611555414041
71666105222
oct463375711
9177608587
1080608201
1141557153
1222bb4321
131391417b
14a9c4249
157123da1
hex4cdfbc9

80608201 has 4 divisors (see below), whose sum is σ = 81406404. Its totient is φ = 79810000.

The previous prime is 80608193. The next prime is 80608207. The reversal of 80608201 is 10280608.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73188025 + 7420176 = 8555^2 + 2724^2 .

It is a cyclic number.

It is not a de Polignac number, because 80608201 - 23 = 80608193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80608207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398950 + ... + 399151.

It is an arithmetic number, because the mean of its divisors is an integer number (20351601).

Almost surely, 280608201 is an apocalyptic number.

It is an amenable number.

80608201 is a deficient number, since it is larger than the sum of its proper divisors (798203).

80608201 is a wasteful number, since it uses less digits than its factorization.

80608201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798202.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 80608201 is about 8978.2070036283. The cubic root of 80608201 is about 431.9761235804.

Adding to 80608201 its reverse (10280608), we get a palindrome (90888809).

It can be divided in two parts, 8060 and 8201, that added together give a palindrome (16261).

The spelling of 80608201 in words is "eighty million, six hundred eight thousand, two hundred one".

Divisors: 1 101 798101 80608201