30502426 has 8 divisors (see below), whose sum is σ = 46225620. Its totient is φ = 15093888.

The previous prime is 30502421. The next prime is 30502441. The reversal of 30502426 is 62420503.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28611801 + 1890625 = 5349^2 + 1375^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 30502397 and 30502406.

It is not an unprimeable number, because it can be changed into a prime (30502421) 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 3 ways as a sum of consecutive naturals, for example, 78421 + ... + 78808.

Almost surely, 2^30502426 is an apocalyptic number.

30502426 is a deficient number, since it is larger than the sum of its proper divisors (15723194).

30502426 is a wasteful number, since it uses less digits than its factorization.

30502426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157328.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30502426 is about 5522.9001439461. The cubic root of 30502426 is about 312.4482721847.

Adding to 30502426 its reverse (62420503), we get a palindrome (92922929).

It can be divided in two parts, 3050 and 2426, that added together give a square (5476 = 74²).

The spelling of 30502426 in words is "thirty million, five hundred two thousand, four hundred twenty-six".