30900254 has 96 divisors (see below), whose sum is σ = 65499840. Its totient is φ = 10644480.

The previous prime is 30900229. The next prime is 30900257. The reversal of 30900254 is 45200903.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30900257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 835124 + ... + 835160.

It is an arithmetic number, because the mean of its divisors is an integer number (682290).

Almost surely, 2^30900254 is an apocalyptic number.

30900254 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30900254 is an abundant number, since it is smaller than the sum of its proper divisors (34599586).

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

30900254 is a wasteful number, since it uses less digits than its factorization.

30900254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 30900254 is about 5558.7996905807. The cubic root of 30900254 is about 313.8007783298.

The spelling of 30900254 in words is "thirty million, nine hundred thousand, two hundred fifty-four".