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51832489 is a prime number
BaseRepresentation
bin1100010110111…
…0011010101001
310121112100210211
43011232122221
5101232114424
65050541121
71166366062
oct305563251
9117470724
1051832489
1127292575
12154377a1
13a97a517
146c53569
15483cb94
hex316e6a9

51832489 has 2 divisors, whose sum is σ = 51832490. Its totient is φ = 51832488.

The previous prime is 51832477. The next prime is 51832537. The reversal of 51832489 is 98423815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49000000 + 2832489 = 7000^2 + 1683^2 .

It is a cyclic number.

It is not a de Polignac number, because 51832489 - 25 = 51832457 is a prime.

It is not a weakly prime, because it can be changed into another prime (51832189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25916244 + 25916245.

It is an arithmetic number, because the mean of its divisors is an integer number (25916245).

Almost surely, 251832489 is an apocalyptic number.

It is an amenable number.

51832489 is a deficient number, since it is larger than the sum of its proper divisors (1).

51832489 is an equidigital number, since it uses as much as digits as its factorization.

51832489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The square root of 51832489 is about 7199.4783838831. The cubic root of 51832489 is about 372.8498918020.

The spelling of 51832489 in words is "fifty-one million, eight hundred thirty-two thousand, four hundred eighty-nine".