30104250 has 128 divisors (see below), whose sum is σ = 84913920. Its totient is φ = 7040000.

The previous prime is 30104231. The next prime is 30104281. The reversal of 30104250 is 5240103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 338206 + ... + 338294.

It is an arithmetic number, because the mean of its divisors is an integer number (663390).

Almost surely, 2^30104250 is an apocalyptic number.

30104250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30104250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42456960).

30104250 is an abundant number, since it is smaller than the sum of its proper divisors (54809670).

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

30104250 is a wasteful number, since it uses less digits than its factorization.

30104250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 30104250 is about 5486.7340012069. The cubic root of 30104250 is about 311.0827555884.

Adding to 30104250 its reverse (5240103), we get a palindrome (35344353).

It can be divided in two parts, 3010 and 4250, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 30104250 in words is "thirty million, one hundred four thousand, two hundred fifty".