Search a number
-
+
28352801 is a prime number
BaseRepresentation
bin110110000101…
…0000100100001
31222100110201202
41230022010201
524224242201
62451410545
7462665141
oct154120441
958313652
1028352801
1115005974
1295b3a55
135b49309
143aa0921
152750c6b
hex1b0a121

28352801 has 2 divisors, whose sum is σ = 28352802. Its totient is φ = 28352800.

The previous prime is 28352791. The next prime is 28352839. The reversal of 28352801 is 10825382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23512801 + 4840000 = 4849^2 + 2200^2 .

It is a cyclic number.

It is not a de Polignac number, because 28352801 - 210 = 28351777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28352851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14176400 + 14176401.

It is an arithmetic number, because the mean of its divisors is an integer number (14176401).

Almost surely, 228352801 is an apocalyptic number.

It is an amenable number.

28352801 is a deficient number, since it is larger than the sum of its proper divisors (1).

28352801 is an equidigital number, since it uses as much as digits as its factorization.

28352801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 28352801 is about 5324.7348290783. The cubic root of 28352801 is about 304.9289487815.

The spelling of 28352801 in words is "twenty-eight million, three hundred fifty-two thousand, eight hundred one".