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88146161 = 538116381
BaseRepresentation
bin1010100000100…
…00000011110001
320010212021210122
411100100003301
5140031134121
612425140025
72120141615
oct520200361
9203767718
1088146161
1145835574
122562a615
13153531bc
14b9c7345
157b125ab
hex54100f1

88146161 has 4 divisors (see below), whose sum is σ = 88167924. Its totient is φ = 88124400.

The previous prime is 88146151. The next prime is 88146169. The reversal of 88146161 is 16164188.

It is a happy number.

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 8151025 + 79995136 = 2855^2 + 8944^2 .

It is a cyclic number.

It is not a de Polignac number, because 88146161 - 214 = 88129777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88146169) 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, 2810 + ... + 13571.

It is an arithmetic number, because the mean of its divisors is an integer number (22041981).

Almost surely, 288146161 is an apocalyptic number.

It is an amenable number.

88146161 is a deficient number, since it is larger than the sum of its proper divisors (21763).

88146161 is a wasteful number, since it uses less digits than its factorization.

88146161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21762.

The product of its digits is 9216, while the sum is 35.

The square root of 88146161 is about 9388.6186949945. The cubic root of 88146161 is about 445.0421388367.

The spelling of 88146161 in words is "eighty-eight million, one hundred forty-six thousand, one hundred sixty-one".

Divisors: 1 5381 16381 88146161