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32812133 is a prime number
BaseRepresentation
bin111110100101…
…0110001100101
32021202000210012
41331022301211
531344442013
63131140005
7545620124
oct175126145
967660705
1032812133
1117581272
12aba4605
136a4ac83
144501abb
152d321a8
hex1f4ac65

32812133 has 2 divisors, whose sum is σ = 32812134. Its totient is φ = 32812132.

The previous prime is 32812121. The next prime is 32812147. The reversal of 32812133 is 33121823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18809569 + 14002564 = 4337^2 + 3742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-32812133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32812099 and 32812108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32812163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16406066 + 16406067.

It is an arithmetic number, because the mean of its divisors is an integer number (16406067).

Almost surely, 232812133 is an apocalyptic number.

It is an amenable number.

32812133 is a deficient number, since it is larger than the sum of its proper divisors (1).

32812133 is an equidigital number, since it uses as much as digits as its factorization.

32812133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 32812133 is about 5728.1875842189. The cubic root of 32812133 is about 320.1435976613.

Adding to 32812133 its reverse (33121823), we get a palindrome (65933956).

The spelling of 32812133 in words is "thirty-two million, eight hundred twelve thousand, one hundred thirty-three".