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30536340 = 22351015039
BaseRepresentation
bin111010001111…
…1001010010100
32010110101222120
41310133022110
530304130330
63010255540
7520361142
oct164371224
963411876
1030536340
111626744a
12a2875b0
136432153
1440ac592
152a32c10
hex1d1f294

30536340 has 48 divisors (see below), whose sum is σ = 86365440. Its totient is φ = 8060800.

The previous prime is 30536339. The next prime is 30536353. The reversal of 30536340 is 4363503.

It is a self number, because there is not a number n which added to its sum of digits gives 30536340.

It is a congruent number.

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, 3541 + ... + 8579.

It is an arithmetic number, because the mean of its divisors is an integer number (1799280).

Almost surely, 230536340 is an apocalyptic number.

30536340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30536340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43182720).

30536340 is an abundant number, since it is smaller than the sum of its proper divisors (55829100).

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

30536340 is a wasteful number, since it uses less digits than its factorization.

30536340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5152 (or 5150 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 30536340 is about 5525.9695981791. The cubic root of 30536340 is about 312.5640274140.

Adding to 30536340 its reverse (4363503), we get a palindrome (34899843).

It can be divided in two parts, 30536 and 340, that added together give a triangular number (30876 = T248).

The spelling of 30536340 in words is "thirty million, five hundred thirty-six thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 101 202 303 404 505 606 1010 1212 1515 2020 3030 5039 6060 10078 15117 20156 25195 30234 50390 60468 75585 100780 151170 302340 508939 1017878 1526817 2035756 2544695 3053634 5089390 6107268 7634085 10178780 15268170 30536340