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83027161 = 761194443
BaseRepresentation
bin1001111001011…
…10010011011001
312210020012212001
410330232103121
5132223332121
612123321001
72025501460
oct474562331
9183205761
1083027161
1142959598
1223980161
13142801c9
14b0539d7
157450991
hex4f2e4d9

83027161 has 8 divisors (see below), whose sum is σ = 96444224. Its totient is φ = 69999120.

The previous prime is 83027159. The next prime is 83027179. The reversal of 83027161 is 16172038.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83027161 - 21 = 83027159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83027561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96795 + ... + 97648.

It is an arithmetic number, because the mean of its divisors is an integer number (12055528).

Almost surely, 283027161 is an apocalyptic number.

It is an amenable number.

83027161 is a deficient number, since it is larger than the sum of its proper divisors (13417063).

83027161 is a wasteful number, since it uses less digits than its factorization.

83027161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194511.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 83027161 is about 9111.9241107463. The cubic root of 83027161 is about 436.2546435632.

Adding to 83027161 its reverse (16172038), we get a palindrome (99199199).

The spelling of 83027161 in words is "eighty-three million, twenty-seven thousand, one hundred sixty-one".

Divisors: 1 7 61 427 194443 1361101 11861023 83027161