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30036013 = 719132243
BaseRepresentation
bin111001010010…
…1000000101101
32002111222122221
41302211000231
530142123023
62551435341
7513205360
oct162450055
962458587
1030036013
1115a55557
12a085b51
1362b84b7
143dbc0d7
15298485d
hex1ca502d

30036013 has 8 divisors (see below), whose sum is σ = 34360128. Its totient is φ = 25720224.

The previous prime is 30035983. The next prime is 30036023. The reversal of 30036013 is 31063003.

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

It is a cyclic number.

It is not a de Polignac number, because 30036013 - 25 = 30035981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30036023) 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 7 ways as a sum of consecutive naturals, for example, 12270 + ... + 14512.

It is an arithmetic number, because the mean of its divisors is an integer number (4295016).

Almost surely, 230036013 is an apocalyptic number.

It is an amenable number.

30036013 is a deficient number, since it is larger than the sum of its proper divisors (4324115).

30036013 is a wasteful number, since it uses less digits than its factorization.

30036013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 30036013 is about 5480.5121111079. The cubic root of 30036013 is about 310.8475350594.

Adding to 30036013 its reverse (31063003), we get a palindrome (61099016).

The spelling of 30036013 in words is "thirty million, thirty-six thousand, thirteen".

Divisors: 1 7 1913 2243 13391 15701 4290859 30036013