30273100 has 144 divisors (see below), whose sum is σ = 80932320. Its totient is φ = 9676800.

The previous prime is 30273059. The next prime is 30273109. The reversal of 30273100 is 137203.

It is a super-2 number, since 2×30273100² = 1832921167220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30273109) 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, 414664 + ... + 414736.

It is an arithmetic number, because the mean of its divisors is an integer number (562030).

Almost surely, 2^30273100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30273100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40466160).

30273100 is an abundant number, since it is smaller than the sum of its proper divisors (50659220).

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

30273100 is a wasteful number, since it uses less digits than its factorization.

30273100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 30273100 is about 5502.0995992439. The cubic root of 30273100 is about 311.6632763254.

The spelling of 30273100 in words is "thirty million, two hundred seventy-three thousand, one hundred".