30268980 has 72 divisors (see below), whose sum is σ = 104936832. Its totient is φ = 6918336.

The previous prime is 30268969. The next prime is 30268981. The reversal of 30268980 is 8986203.

It is a super-2 number, since 2×30268980² = 1832422300480800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30268981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10752 + ... + 13271.

It is an arithmetic number, because the mean of its divisors is an integer number (1457456).

Almost surely, 2^30268980 is an apocalyptic number.

30268980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30268980 is an abundant number, since it is smaller than the sum of its proper divisors (74667852).

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

30268980 is a wasteful number, since it uses less digits than its factorization.

30268980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24045 (or 24040 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 30268980 is about 5501.7251839764. The cubic root of 30268980 is about 311.6491371396.

The spelling of 30268980 in words is "thirty million, two hundred sixty-eight thousand, nine hundred eighty".