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BaseRepresentation
bin111001010111…
…1110000000000
32002121020000002
41302233300000
530200030000
62552415132
7513450536
oct162576000
962536002
1030080000
1115a85605
12a0a74a8
136302522
143dd0156
1529928d5
hex1cafc00

30080000 has 110 divisors (see below), whose sum is σ = 76737936. Its totient is φ = 11776000.

The previous prime is 30079999. The next prime is 30080009. The reversal of 30080000 is 8003.

Adding to 30080000 its reverse (8003), we get a palindrome (30088003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30080009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 639977 + ... + 640023.

Almost surely, 230080000 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 30080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38368968).

30080000 is an abundant number, since it is smaller than the sum of its proper divisors (46657936).

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

30080000 is an frugal number, since it uses more digits than its factorization.

30080000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 30080000 is about 5484.5236803208. The cubic root of 30080000 is about 310.9992038937. Note that the first 3 decimals are identical.

The spelling of 30080000 in words is "thirty million, eighty thousand".