Search a number
-
+
30011030 = 257273839
BaseRepresentation
bin111001001111…
…0111010010110
32002110201101122
41302132322112
530140323110
62551123542
7513042500
oct162367226
962421348
1030011030
1115a38805
12a0735b2
1362aa00a
143db2d70
15297c255
hex1c9ee96

30011030 has 48 divisors (see below), whose sum is σ = 63776160. Its totient is φ = 10136448.

The previous prime is 30011029. The next prime is 30011041. The reversal of 30011030 is 3011003.

It is a junction number, because it is equal to n+sod(n) for n = 30010999 and 30011017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35351 + ... + 36189.

It is an arithmetic number, because the mean of its divisors is an integer number (1328670).

Almost surely, 230011030 is an apocalyptic number.

30011030 is an abundant number, since it is smaller than the sum of its proper divisors (33765130).

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

30011030 is a wasteful number, since it uses less digits than its factorization.

30011030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 30011030 is about 5478.2323791530. The cubic root of 30011030 is about 310.7613267899.

Adding to 30011030 its reverse (3011003), we get a palindrome (33022033).

The spelling of 30011030 in words is "thirty million, eleven thousand, thirty".

Divisors: 1 2 5 7 10 14 35 49 70 73 98 146 245 365 490 511 730 839 1022 1678 2555 3577 4195 5110 5873 7154 8390 11746 17885 29365 35770 41111 58730 61247 82222 122494 205555 306235 411110 428729 612470 857458 2143645 3001103 4287290 6002206 15005515 30011030