Search a number
-
+
54250289 = 61889349
BaseRepresentation
bin1100111011110…
…0101100110001
310210002012101222
43032330230301
5102342002124
65214434425
71226056052
oct316745461
9123065358
1054250289
1128694055
1216202a15
13b315b82
1472c2729
154b6925e
hex33bcb31

54250289 has 4 divisors (see below), whose sum is σ = 55139700. Its totient is φ = 53360880.

The previous prime is 54250249. The next prime is 54250291. The reversal of 54250289 is 98205245.

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 31449664 + 22800625 = 5608^2 + 4775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54250289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54250249) 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, 444614 + ... + 444735.

It is an arithmetic number, because the mean of its divisors is an integer number (13784925).

Almost surely, 254250289 is an apocalyptic number.

It is an amenable number.

54250289 is a deficient number, since it is larger than the sum of its proper divisors (889411).

54250289 is an equidigital number, since it uses as much as digits as its factorization.

54250289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889410.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 54250289 is about 7365.4795499003. The cubic root of 54250289 is about 378.5593861263.

The spelling of 54250289 in words is "fifty-four million, two hundred fifty thousand, two hundred eighty-nine".

Divisors: 1 61 889349 54250289