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30242246 = 2373491171
BaseRepresentation
bin111001101011…
…1010111000110
32002220110120012
41303113113012
530220222441
63000110222
7515024546
oct163272706
962813505
1030242246
11160864a1
12a165372
13635b328
144033326
1529c59eb
hex1cd75c6

30242246 has 16 divisors (see below), whose sum is σ = 46762800. Its totient is φ = 14657760.

The previous prime is 30242239. The next prime is 30242249. The reversal of 30242246 is 64224203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30242249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25241 + ... + 26411.

It is an arithmetic number, because the mean of its divisors is an integer number (2922675).

Almost surely, 230242246 is an apocalyptic number.

30242246 is a deficient number, since it is larger than the sum of its proper divisors (16520554).

30242246 is a wasteful number, since it uses less digits than its factorization.

30242246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 30242246 is about 5499.2950457309. The cubic root of 30242246 is about 311.5573591091.

Adding to 30242246 its reverse (64224203), we get a palindrome (94466449).

The spelling of 30242246 in words is "thirty million, two hundred forty-two thousand, two hundred forty-six".

Divisors: 1 2 37 74 349 698 1171 2342 12913 25826 43327 86654 408679 817358 15121123 30242246