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30064013 = 723186733
BaseRepresentation
bin111001010101…
…1110110001101
32002120102001222
41302223312031
530144022023
62552213125
7513353120
oct162536615
962512058
1030064013
1115a745a1
12a09a1a5
1362c8175
143dc83b7
15298ccc8
hex1cabd8d

30064013 has 8 divisors (see below), whose sum is σ = 35852928. Its totient is φ = 24648624.

The previous prime is 30063997. The next prime is 30064019. The reversal of 30064013 is 31046003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30064013 - 24 = 30063997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30063982 and 30064000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30064019) 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, 93206 + ... + 93527.

It is an arithmetic number, because the mean of its divisors is an integer number (4481616).

Almost surely, 230064013 is an apocalyptic number.

It is an amenable number.

30064013 is a deficient number, since it is larger than the sum of its proper divisors (5788915).

30064013 is a wasteful number, since it uses less digits than its factorization.

30064013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186763.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30064013 is about 5483.0660218531. The cubic root of 30064013 is about 310.9440972296.

The spelling of 30064013 in words is "thirty million, sixty-four thousand, thirteen".

Divisors: 1 7 23 161 186733 1307131 4294859 30064013