Search a number
-
+
302030215 = 5296134147
BaseRepresentation
bin10010000000001…
…001110110000111
3210001022201120021
4102000021312013
51104304431330
645545320011
710325133364
oct2200116607
9701281507
10302030215
11145540853
1285196007
134a75bc06
142c18146b
151b7b067a
hex12009d87

302030215 has 16 divisors (see below), whose sum is σ = 381091680. Its totient is φ = 229461120.

The previous prime is 302030203. The next prime is 302030219. The reversal of 302030215 is 512030203.

It is not a de Polignac number, because 302030215 - 213 = 302022023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302030219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8229 + ... + 25918.

It is an arithmetic number, because the mean of its divisors is an integer number (23818230).

Almost surely, 2302030215 is an apocalyptic number.

302030215 is a deficient number, since it is larger than the sum of its proper divisors (79061465).

302030215 is a wasteful number, since it uses less digits than its factorization.

302030215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34242.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 302030215 is about 17379.0165141759. The cubic root of 302030215 is about 670.9396594794.

Adding to 302030215 its reverse (512030203), we get a palindrome (814060418).

The spelling of 302030215 in words is "three hundred two million, thirty thousand, two hundred fifteen".

Divisors: 1 5 29 61 145 305 1769 8845 34147 170735 990263 2082967 4951315 10414835 60406043 302030215