30250004 has 24 divisors (see below), whose sum is σ = 56219688. Its totient is φ = 14192640.

The previous prime is 30250001. The next prime is 30250009. The reversal of 30250004 is 40005203.

30250004 = 42² + 43² + ... + 449².

It can be written as a sum of positive squares in 4 ways, for example, as 9909904 + 20340100 = 3148^2 + 4510^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30250001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44612 + ... + 45284.

It is an arithmetic number, because the mean of its divisors is an integer number (2342487).

Almost surely, 2^30250004 is an apocalyptic number.

30250004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30250004 is a deficient number, since it is larger than the sum of its proper divisors (25969684).

30250004 is a wasteful number, since it uses less digits than its factorization.

30250004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 30250004 is about 5500.0003636364. Note that the first 3 decimals coincide. The cubic root of 30250004 is about 311.5839979522.

Adding to 30250004 its reverse (40005203), we get a palindrome (70255207).

The spelling of 30250004 in words is "thirty million, two hundred fifty thousand, four".