30454490 has 24 divisors (see below), whose sum is σ = 60256980. Its totient is φ = 11073920.

The previous prime is 30454477. The next prime is 30454537. The reversal of 30454490 is 9445403.

It can be written as a sum of positive squares in 2 ways, for example, as 29170801 + 1283689 = 5401^2 + 1133^2 .

It is a super-2 number, since 2×30454490² = 1854951922320200, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11375 + ... + 13794.

Almost surely, 2^30454490 is an apocalyptic number.

30454490 is a deficient number, since it is larger than the sum of its proper divisors (29802490).

30454490 is a wasteful number, since it uses less digits than its factorization.

30454490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25198 (or 25187 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 30454490 is about 5518.5586886433. The cubic root of 30454490 is about 312.2845106400.

Adding to 30454490 its reverse (9445403), we get a palindrome (39899893).

The spelling of 30454490 in words is "thirty million, four hundred fifty-four thousand, four hundred ninety".