30042954 has 16 divisors (see below), whose sum is σ = 66762240. Its totient is φ = 10014300.

The previous prime is 30042953. The next prime is 30042973. The reversal of 30042954 is 45924003.

It is a super-2 number, since 2×30042954² = 1805158170092232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30042953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278122 + ... + 278229.

It is an arithmetic number, because the mean of its divisors is an integer number (4172640).

Almost surely, 2^30042954 is an apocalyptic number.

30042954 is an abundant number, since it is smaller than the sum of its proper divisors (36719286).

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

30042954 is a wasteful number, since it uses less digits than its factorization.

30042954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556362 (or 556356 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 30042954 is about 5481.1453182706. The cubic root of 30042954 is about 310.8714777241.

Adding to 30042954 its reverse (45924003), we get a palindrome (75966957).

The spelling of 30042954 in words is "thirty million, forty-two thousand, nine hundred fifty-four".