30526442 has 8 divisors (see below), whose sum is σ = 46243332. Its totient is φ = 15112000.

The previous prime is 30526421. The next prime is 30526459. The reversal of 30526442 is 24462503.

It can be written as a sum of positive squares in 2 ways, for example, as 30459361 + 67081 = 5519^2 + 259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30526442² = 1863727322358728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75359 + ... + 75762.

Almost surely, 2^30526442 is an apocalyptic number.

30526442 is a deficient number, since it is larger than the sum of its proper divisors (15716890).

30526442 is a wasteful number, since it uses less digits than its factorization.

30526442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151224.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 30526442 is about 5525.0739361569. The cubic root of 30526442 is about 312.5302524312.

Adding to 30526442 its reverse (24462503), we get a palindrome (54988945).

The spelling of 30526442 in words is "thirty million, five hundred twenty-six thousand, four hundred forty-two".