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30068030 = 256015003
BaseRepresentation
bin111001010110…
…0110100111110
32002120121120202
41302230310332
530144134110
62552243502
7513400616
oct162546476
962517522
1030068030
1115a77613
12a0a0592
1362c9c45
143dc9a46
15298e0a5
hex1cacd3e

30068030 has 16 divisors (see below), whose sum is σ = 54223344. Its totient is φ = 12004800.

The previous prime is 30068029. The next prime is 30068039. The reversal of 30068030 is 3086003.

It is a junction number, because it is equal to n+sod(n) for n = 30067993 and 30068011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30068039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3509 + ... + 8511.

It is an arithmetic number, because the mean of its divisors is an integer number (3388959).

Almost surely, 230068030 is an apocalyptic number.

30068030 is a deficient number, since it is larger than the sum of its proper divisors (24155314).

30068030 is a wasteful number, since it uses less digits than its factorization.

30068030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30068030 is about 5483.4323192687. The cubic root of 30068030 is about 310.9579455340.

The spelling of 30068030 in words is "thirty million, sixty-eight thousand, thirty".

Divisors: 1 2 5 10 601 1202 3005 5003 6010 10006 25015 50030 3006803 6013606 15034015 30068030