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30262224 = 2431036121
BaseRepresentation
bin111001101110…
…0001111010000
32002221110222010
41303130033100
530221342344
63000342520
7515140026
oct163341720
962843863
1030262224
111609a503
12a174a40
136367455
14403a716
1529cb8b9
hex1cdc3d0

30262224 has 40 divisors (see below), whose sum is σ = 78949312. Its totient is φ = 9987840.

The previous prime is 30262213. The next prime is 30262229. The reversal of 30262224 is 42226203.

It is a self number, because there is not a number n which added to its sum of digits gives 30262224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30262229) 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 7 ways as a sum of consecutive naturals, for example, 1884 + ... + 8004.

Almost surely, 230262224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30262224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39474656).

30262224 is an abundant number, since it is smaller than the sum of its proper divisors (48687088).

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

30262224 is a wasteful number, since it uses less digits than its factorization.

30262224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6235 (or 6229 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 30262224 is about 5501.1111604839. Note that the first 4 decimals coincide. The cubic root of 30262224 is about 311.6259488432.

Adding to 30262224 its reverse (42226203), we get a palindrome (72488427).

It can be divided in two parts, 302 and 62224, that added together give a palindrome (62526).

The spelling of 30262224 in words is "thirty million, two hundred sixty-two thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 103 206 309 412 618 824 1236 1648 2472 4944 6121 12242 18363 24484 36726 48968 73452 97936 146904 293808 630463 1260926 1891389 2521852 3782778 5043704 7565556 10087408 15131112 30262224