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30334020 = 2235539539
BaseRepresentation
bin111001110110…
…1110001000100
32010002010110020
41303231301010
530231142040
63002055140
7515556243
oct163556104
963063406
1030334020
1116139442
12a1aa4b0
136391032
14405895a
1529e2cd0
hex1cedc44

30334020 has 48 divisors (see below), whose sum is σ = 86546880. Its totient is φ = 7935616.

The previous prime is 30334009. The next prime is 30334039. The reversal of 30334020 is 2043303.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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, 1590 + ... + 7949.

It is an arithmetic number, because the mean of its divisors is an integer number (1803060).

Almost surely, 230334020 is an apocalyptic number.

30334020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30334020 is an abundant number, since it is smaller than the sum of its proper divisors (56212860).

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

30334020 is a wasteful number, since it uses less digits than its factorization.

30334020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9604 (or 9602 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 30334020 is about 5507.6328853692. The cubic root of 30334020 is about 311.8721945309.

Adding to 30334020 its reverse (2043303), we get a palindrome (32377323).

The spelling of 30334020 in words is "thirty million, three hundred thirty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 53 60 106 159 212 265 318 530 636 795 1060 1590 3180 9539 19078 28617 38156 47695 57234 95390 114468 143085 190780 286170 505567 572340 1011134 1516701 2022268 2527835 3033402 5055670 6066804 7583505 10111340 15167010 30334020