Search a number
-
+
30302330 = 2517178249
BaseRepresentation
bin111001110011…
…0000001111010
32010000111222112
41303212001322
530224133310
63001252322
7515364662
oct163460172
963014875
1030302330
1116117653
12a1940a2
13637c796
14404b1a2
1529d8705
hex1ce607a

30302330 has 16 divisors (see below), whose sum is σ = 57753000. Its totient is φ = 11407872.

The previous prime is 30302287. The next prime is 30302333. The reversal of 30302330 is 3320303.

It can be written as a sum of positive squares in 4 ways, for example, as 30283009 + 19321 = 5503^2 + 139^2 .

It is not an unprimeable number, because it can be changed into a prime (30302333) 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, 88955 + ... + 89294.

Almost surely, 230302330 is an apocalyptic number.

30302330 is a deficient number, since it is larger than the sum of its proper divisors (27450670).

30302330 is a wasteful number, since it uses less digits than its factorization.

30302330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178273.

The product of its (nonzero) digits is 162, while the sum is 14.

The square root of 30302330 is about 5504.7552170828. The cubic root of 30302330 is about 311.7635522263.

Adding to 30302330 its reverse (3320303), we get a palindrome (33622633).

The spelling of 30302330 in words is "thirty million, three hundred two thousand, three hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 178249 356498 891245 1782490 3030233 6060466 15151165 30302330