Search a number
-
+
30024430 = 2523314211
BaseRepresentation
bin111001010001…
…0001011101110
32002111101202221
41302202023232
530141240210
62551305554
7513126532
oct162421356
962441687
1030024430
1115a47887
12a07b2ba
1362b3147
143db7bc2
1529811da
hex1ca22ee

30024430 has 32 divisors (see below), whose sum is σ = 58226688. Its totient is φ = 11114400.

The previous prime is 30024403. The next prime is 30024433. The reversal of 30024430 is 3442003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30024433) 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 15 ways as a sum of consecutive naturals, for example, 5025 + ... + 9235.

It is an arithmetic number, because the mean of its divisors is an integer number (1819584).

Almost surely, 230024430 is an apocalyptic number.

30024430 is a deficient number, since it is larger than the sum of its proper divisors (28202258).

30024430 is a wasteful number, since it uses less digits than its factorization.

30024430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 30024430 is about 5479.4552648963. The cubic root of 30024430 is about 310.8075718111.

Adding to 30024430 its reverse (3442003), we get a palindrome (33466433).

The spelling of 30024430 in words is "thirty million, twenty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 23 31 46 62 115 155 230 310 713 1426 3565 4211 7130 8422 21055 42110 96853 130541 193706 261082 484265 652705 968530 1305410 3002443 6004886 15012215 30024430