Search a number
-
+
30330652 = 221117234143
BaseRepresentation
bin111001110110…
…0111100011100
32010001221211111
41303230330130
530231040102
63002031404
7515543362
oct163547434
963057744
1030330652
1116136960
12a1a8564
13638c641
144057632
1529e1cd7
hex1cecf1c

30330652 has 96 divisors (see below), whose sum is σ = 67060224. Its totient is φ = 11827200.

The previous prime is 30330649. The next prime is 30330653. The reversal of 30330652 is 25603303.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30330653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705343 + ... + 705385.

It is an arithmetic number, because the mean of its divisors is an integer number (698544).

Almost surely, 230330652 is an apocalyptic number.

It is an amenable number.

30330652 is an abundant number, since it is smaller than the sum of its proper divisors (36729572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30330652 is a wasteful number, since it uses less digits than its factorization.

30330652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 30330652 is about 5507.3271193929. The cubic root of 30330652 is about 311.8606516666.

Adding to 30330652 its reverse (25603303), we get a palindrome (55933955).

The spelling of 30330652 in words is "thirty million, three hundred thirty thousand, six hundred fifty-two".

Divisors: 1 2 4 11 17 22 23 34 41 43 44 46 68 82 86 92 164 172 187 253 374 391 451 473 506 697 731 748 782 902 943 946 989 1012 1394 1462 1564 1763 1804 1886 1892 1978 2788 2924 3526 3772 3956 4301 7052 7667 8041 8602 10373 10879 15334 16031 16082 16813 17204 19393 20746 21758 29971 30668 32062 32164 33626 38786 40549 41492 43516 59942 64124 67252 77572 81098 119884 162196 176341 184943 329681 352682 369886 446039 659362 689333 705364 739772 892078 1318724 1378666 1784156 2757332 7582663 15165326 30330652