Search a number
-
+
302530028 = 221733113441
BaseRepresentation
bin10010000010000…
…011110111101100
3210002021010011212
4102002003313230
51104421430103
650004133552
710332314513
oct2202036754
9702233155
10302530028
11145852319
12853972b8
134a8a5568
142c27167a
151b85d7d8
hex12083dec

302530028 has 24 divisors (see below), whose sum is σ = 562305744. Its totient is φ = 141926400.

The previous prime is 302530013. The next prime is 302530061. The reversal of 302530028 is 820035203.

It is a junction number, because it is equal to n+sod(n) for n = 302529985 and 302530012.

It is an unprimeable number.

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, 15788 + ... + 29228.

It is an arithmetic number, because the mean of its divisors is an integer number (23429406).

Almost surely, 2302530028 is an apocalyptic number.

It is an amenable number.

302530028 is a deficient number, since it is larger than the sum of its proper divisors (259775716).

302530028 is a wasteful number, since it uses less digits than its factorization.

302530028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13793 (or 13791 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 302530028 is about 17393.3903538097. The cubic root of 302530028 is about 671.3095557528.

The spelling of 302530028 in words is "three hundred two million, five hundred thirty thousand, twenty-eight".

Divisors: 1 2 4 17 34 68 331 662 1324 5627 11254 13441 22508 26882 53764 228497 456994 913988 4448971 8897942 17795884 75632507 151265014 302530028