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30235244 = 2213581447
BaseRepresentation
bin111001101010…
…1101001101100
32002220002221212
41303111221230
530220011434
63000013552
7514665254
oct163255154
962802855
1030235244
1116081206
12a1612b8
1363580a0
144030964
1529c38ce
hex1cd5a6c

30235244 has 12 divisors (see below), whose sum is σ = 56981904. Its totient is φ = 13954704.

The previous prime is 30235243. The next prime is 30235267. The reversal of 30235244 is 44253203.

It is not an unprimeable number, because it can be changed into a prime (30235243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290672 + ... + 290775.

It is an arithmetic number, because the mean of its divisors is an integer number (4748492).

Almost surely, 230235244 is an apocalyptic number.

It is an amenable number.

30235244 is a deficient number, since it is larger than the sum of its proper divisors (26746660).

30235244 is a wasteful number, since it uses less digits than its factorization.

30235244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581464 (or 581462 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 30235244 is about 5498.6583818237. The cubic root of 30235244 is about 311.5333122508.

Adding to 30235244 its reverse (44253203), we get a palindrome (74488447).

The spelling of 30235244 in words is "thirty million, two hundred thirty-five thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 581447 1162894 2325788 7558811 15117622 30235244