Search a number
-
+
489528001 is a prime number
BaseRepresentation
bin11101001011011…
…001101011000001
31021010010121011201
4131023121223001
52000304344001
6120324141201
715062630224
oct3513315301
91233117151
10489528001
112313646a6
12117b37801
137a559751
144902b5bb
152ce9a501
hex1d2d9ac1

489528001 has 2 divisors, whose sum is σ = 489528002. Its totient is φ = 489528000.

The previous prime is 489527993. The next prime is 489528059. The reversal of 489528001 is 100825984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455609025 + 33918976 = 21345^2 + 5824^2 .

It is a cyclic number.

It is not a de Polignac number, because 489528001 - 23 = 489527993 is a prime.

It is equal to p25832764 and since 489528001 and 25832764 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (489528071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244764000 + 244764001.

It is an arithmetic number, because the mean of its divisors is an integer number (244764001).

Almost surely, 2489528001 is an apocalyptic number.

It is an amenable number.

489528001 is a deficient number, since it is larger than the sum of its proper divisors (1).

489528001 is an equidigital number, since it uses as much as digits as its factorization.

489528001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 489528001 is about 22125.2796818481. The cubic root of 489528001 is about 788.1202979052.

It can be divided in two parts, 48952 and 8001, that added together give a triangular number (56953 = T337).

The spelling of 489528001 in words is "four hundred eighty-nine million, five hundred twenty-eight thousand, one".