30126930 has 32 divisors (see below), whose sum is σ = 72952704. Its totient is φ = 7961856.

The previous prime is 30126919. The next prime is 30126931. The reversal of 30126930 is 3962103.

It is a super-2 number, since 2×30126930² = 1815263822449800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30126930.

It is not an unprimeable number, because it can be changed into a prime (30126931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054 + ... + 7833.

It is an arithmetic number, because the mean of its divisors is an integer number (2279772).

Almost surely, 2^30126930 is an apocalyptic number.

30126930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30126930 is an abundant number, since it is smaller than the sum of its proper divisors (42825774).

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

30126930 is a wasteful number, since it uses less digits than its factorization.

30126930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9010.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 30126930 is about 5488.8004153913. The cubic root of 30126930 is about 311.1608573608.

The spelling of 30126930 in words is "thirty million, one hundred twenty-six thousand, nine hundred thirty".