30880254 has 16 divisors (see below), whose sum is σ = 61828992. Its totient is φ = 10282008.

The previous prime is 30880253. The next prime is 30880259. The reversal of 30880254 is 45208803.

30880254 = 2777² + 2778² + ... + 2780².

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30880253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4447 + ... + 9029.

It is an arithmetic number, because the mean of its divisors is an integer number (3864312).

Almost surely, 2^30880254 is an apocalyptic number.

30880254 is an abundant number, since it is smaller than the sum of its proper divisors (30948738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30880254 is a wasteful number, since it uses less digits than its factorization.

30880254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 30880254 is about 5557.0004498830. Note that the first 3 decimals coincide. The cubic root of 30880254 is about 313.7330618412.

The spelling of 30880254 in words is "thirty million, eight hundred eighty thousand, two hundred fifty-four".