Search a number
-
+
30415304 = 237352081
BaseRepresentation
bin111010000000…
…1100111001000
32010020020221202
41310001213020
530241242204
63003523332
7516345233
oct164014710
963206852
1030415304
1116194517
12a229548
1363bc02a
14407a41a
152a0be1e
hex1d019c8

30415304 has 16 divisors (see below), whose sum is σ = 57811020. Its totient is φ = 14999040.

The previous prime is 30415289. The next prime is 30415313. The reversal of 30415304 is 40351403.

It can be written as a sum of positive squares in 2 ways, for example, as 29138404 + 1276900 = 5398^2 + 1130^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25457 + ... + 26624.

Almost surely, 230415304 is an apocalyptic number.

It is an amenable number.

30415304 is a deficient number, since it is larger than the sum of its proper divisors (27395716).

30415304 is a wasteful number, since it uses less digits than its factorization.

30415304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52160 (or 52156 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30415304 is about 5515.0071622800. The cubic root of 30415304 is about 312.1505136154.

Adding to 30415304 its reverse (40351403), we get a palindrome (70766707).

The spelling of 30415304 in words is "thirty million, four hundred fifteen thousand, three hundred four".

Divisors: 1 2 4 8 73 146 292 584 52081 104162 208324 416648 3801913 7603826 15207652 30415304