Search a number
-
+
30832253 is a prime number
BaseRepresentation
bin111010110011…
…1011001111101
32011000102220022
41311213121331
530343113003
63020501525
7523032644
oct165473175
964012808
1030832253
1116449801
12a3aa8a5
136506a4a
14414835b
152a90738
hex1d6767d

30832253 has 2 divisors, whose sum is σ = 30832254. Its totient is φ = 30832252.

The previous prime is 30832223. The next prime is 30832297. The reversal of 30832253 is 35223803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26759929 + 4072324 = 5173^2 + 2018^2 .

It is an emirp because it is prime and its reverse (35223803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30832253 - 26 = 30832189 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30832223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15416126 + 15416127.

It is an arithmetic number, because the mean of its divisors is an integer number (15416127).

Almost surely, 230832253 is an apocalyptic number.

It is an amenable number.

30832253 is a deficient number, since it is larger than the sum of its proper divisors (1).

30832253 is an equidigital number, since it uses as much as digits as its factorization.

30832253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 30832253 is about 5552.6798034823. The cubic root of 30832253 is about 313.5704195003.

The spelling of 30832253 in words is "thirty million, eight hundred thirty-two thousand, two hundred fifty-three".