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83217201 = 327739067
BaseRepresentation
bin1001111010111…
…00101100110001
312210120212112120
410331130230301
5132300422301
612131344453
72030222514
oct475345461
9183525476
1083217201
1142a79351
1223a52129
1314318862
14b0a2d7b
15748be36
hex4f5cb31

83217201 has 4 divisors (see below), whose sum is σ = 110956272. Its totient is φ = 55478132.

The previous prime is 83217187. The next prime is 83217209. The reversal of 83217201 is 10271238.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83217201 - 26 = 83217137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83217209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13869531 + ... + 13869536.

It is an arithmetic number, because the mean of its divisors is an integer number (27739068).

Almost surely, 283217201 is an apocalyptic number.

It is an amenable number.

83217201 is a deficient number, since it is larger than the sum of its proper divisors (27739071).

83217201 is a wasteful number, since it uses less digits than its factorization.

83217201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27739070.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 83217201 is about 9122.3462442510. The cubic root of 83217201 is about 436.5872361658.

Adding to 83217201 its reverse (10271238), we get a palindrome (93488439).

The spelling of 83217201 in words is "eighty-three million, two hundred seventeen thousand, two hundred one".

Divisors: 1 3 27739067 83217201