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83422201 = 271307831
BaseRepresentation
bin1001111100011…
…10101111111001
312210222021202011
410332032233321
5132324002301
612140005521
72032035262
oct476165771
9183867664
1083422201
11430a9375
1223b308a1
131438ac65
14b117969
1574cca51
hex4f8ebf9

83422201 has 4 divisors (see below), whose sum is σ = 83730304. Its totient is φ = 83114100.

The previous prime is 83422189. The next prime is 83422223. The reversal of 83422201 is 10222438.

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 a de Polignac number, because none of the positive numbers 2k-83422201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83422301) 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, 153645 + ... + 154186.

It is an arithmetic number, because the mean of its divisors is an integer number (20932576).

Almost surely, 283422201 is an apocalyptic number.

It is an amenable number.

83422201 is a deficient number, since it is larger than the sum of its proper divisors (308103).

83422201 is a wasteful number, since it uses less digits than its factorization.

83422201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308102.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 83422201 is about 9133.5754773254. The cubic root of 83422201 is about 436.9454433234.

Adding to 83422201 its reverse (10222438), we get a palindrome (93644639).

The spelling of 83422201 in words is "eighty-three million, four hundred twenty-two thousand, two hundred one".

Divisors: 1 271 307831 83422201