Search a number
-
+
30027341 = 238912569
BaseRepresentation
bin111001010001…
…0111001001101
32002111112202202
41302202321031
530141333331
62551331245
7513141161
oct162427115
962445682
1030027341
1115a49a93
12a080b25
1362b4576
143db8ca1
152981ecb
hex1ca2e4d

30027341 has 4 divisors (see below), whose sum is σ = 30042300. Its totient is φ = 30012384.

The previous prime is 30027337. The next prime is 30027359. The reversal of 30027341 is 14372003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14372003 = 31463613.

It can be written as a sum of positive squares in 2 ways, for example, as 20967241 + 9060100 = 4579^2 + 3010^2 .

It is a cyclic number.

It is not a de Polignac number, because 30027341 - 22 = 30027337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30027541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3896 + ... + 8673.

It is an arithmetic number, because the mean of its divisors is an integer number (7510575).

Almost surely, 230027341 is an apocalyptic number.

It is an amenable number.

30027341 is a deficient number, since it is larger than the sum of its proper divisors (14959).

30027341 is a wasteful number, since it uses less digits than its factorization.

30027341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14958.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 30027341 is about 5479.7208870526. The cubic root of 30027341 is about 310.8176162050.

Adding to 30027341 its reverse (14372003), we get a palindrome (44399344).

The spelling of 30027341 in words is "thirty million, twenty-seven thousand, three hundred forty-one".

Divisors: 1 2389 12569 30027341