Search a number
-
+
30519089 is a prime number
BaseRepresentation
bin111010001101…
…0111100110001
32010102112022122
41310122330301
530303102324
63010044025
7520256636
oct164327461
963375278
1030519089
1116255497
12a279615
136427343
1440a618d
152a2ca5e
hex1d1af31

30519089 has 2 divisors, whose sum is σ = 30519090. Its totient is φ = 30519088.

The previous prime is 30519077. The next prime is 30519101. The reversal of 30519089 is 98091503.

It is a balanced prime because it is at equal distance from previous prime (30519077) and next prime (30519101).

It can be written as a sum of positive squares in only one way, i.e., 29866225 + 652864 = 5465^2 + 808^2 .

It is a cyclic number.

It is not a de Polignac number, because 30519089 - 28 = 30518833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30519589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15259544 + 15259545.

It is an arithmetic number, because the mean of its divisors is an integer number (15259545).

Almost surely, 230519089 is an apocalyptic number.

It is an amenable number.

30519089 is a deficient number, since it is larger than the sum of its proper divisors (1).

30519089 is an equidigital number, since it uses as much as digits as its factorization.

30519089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 30519089 is about 5524.4084751220. The cubic root of 30519089 is about 312.5051570349.

The spelling of 30519089 in words is "thirty million, five hundred nineteen thousand, eighty-nine".