Search a number
-
+
30002206 = 2132295039
BaseRepresentation
bin111001001110…
…0110000011110
32002110021021211
41302130300132
530140032311
62551015034
7513004663
oct162346036
962407254
1030002206
1115a32113
12a06a47a
1362a5cb0
143dada6a
152979821
hex1c9cc1e

30002206 has 16 divisors (see below), whose sum is σ = 48686400. Its totient is φ = 13783968.

The previous prime is 30002123. The next prime is 30002207. The reversal of 30002206 is 60220003.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002207) 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 7 ways as a sum of consecutive naturals, for example, 3435 + ... + 8473.

It is an arithmetic number, because the mean of its divisors is an integer number (3042900).

Almost surely, 230002206 is an apocalyptic number.

30002206 is a deficient number, since it is larger than the sum of its proper divisors (18684194).

30002206 is a wasteful number, since it uses less digits than its factorization.

30002206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30002206 is about 5477.4269506768. The cubic root of 30002206 is about 310.7308665808.

Adding to 30002206 its reverse (60220003), we get a palindrome (90222209).

The spelling of 30002206 in words is "thirty million, two thousand, two hundred six".

Divisors: 1 2 13 26 229 458 2977 5039 5954 10078 65507 131014 1153931 2307862 15001103 30002206