30146280 has 32 divisors (see below), whose sum is σ = 90439200. Its totient is φ = 8038976.

The previous prime is 30146279. The next prime is 30146297. The reversal of 30146280 is 8264103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 30146280.

It is an unprimeable number.

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, 125490 + ... + 125729.

It is an arithmetic number, because the mean of its divisors is an integer number (2826225).

Almost surely, 2^30146280 is an apocalyptic number.

30146280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30146280 is an abundant number, since it is smaller than the sum of its proper divisors (60292920).

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

30146280 is a wasteful number, since it uses less digits than its factorization.

30146280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251233 (or 251229 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 30146280 is about 5490.5628126814. The cubic root of 30146280 is about 311.2274608281.

The spelling of 30146280 in words is "thirty million, one hundred forty-six thousand, two hundred eighty".