Search a number
-
+
305001530 = 25149920347
BaseRepresentation
bin10010001011011…
…111010000111010
3210020220200102222
4102023133100322
51111040022110
650133124042
710362320201
oct2213372072
9706820388
10305001530
11147190189
1286189622
134b25c4a2
142c716238
151bb9ac55
hex122df43a

305001530 has 16 divisors (see below), whose sum is σ = 549396000. Its totient is φ = 121913232.

The previous prime is 305001527. The next prime is 305001533. The reversal of 305001530 is 35100503.

It is an interprime number because it is at equal distance from previous prime (305001527) and next prime (305001533).

It is a junction number, because it is equal to n+sod(n) for n = 305001499 and 305001508.

It is not an unprimeable number, because it can be changed into a prime (305001533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4817 + ... + 25163.

It is an arithmetic number, because the mean of its divisors is an integer number (34337250).

Almost surely, 2305001530 is an apocalyptic number.

305001530 is a deficient number, since it is larger than the sum of its proper divisors (244394470).

305001530 is a wasteful number, since it uses less digits than its factorization.

305001530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21853.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 305001530 is about 17464.2930002906. The cubic root of 305001530 is about 673.1326752889.

The spelling of 305001530 in words is "three hundred five million, one thousand, five hundred thirty".

Divisors: 1 2 5 10 1499 2998 7495 14990 20347 40694 101735 203470 30500153 61000306 152500765 305001530