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30011663 = 114336301
BaseRepresentation
bin111001001111…
…1000100001111
32002110202021002
41302133010033
530140333123
62551130515
7513044363
oct162370417
962422232
1030011663
1115a39230
12a073a3b
1362aa3a6
143db32a3
15297c528
hex1c9f10f

30011663 has 8 divisors (see below), whose sum is σ = 32820816. Its totient is φ = 27216000.

The previous prime is 30011651. The next prime is 30011669. The reversal of 30011663 is 36611003.

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 30011663 - 26 = 30011599 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 (30011669) 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, 1613 + ... + 7913.

It is an arithmetic number, because the mean of its divisors is an integer number (4102602).

Almost surely, 230011663 is an apocalyptic number.

30011663 is a deficient number, since it is larger than the sum of its proper divisors (2809153).

30011663 is a wasteful number, since it uses less digits than its factorization.

30011663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6745.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30011663 is about 5478.2901529583. The cubic root of 30011663 is about 310.7635116592.

Adding to 30011663 its reverse (36611003), we get a palindrome (66622666).

It can be divided in two parts, 3001 and 1663, that added together give a palindrome (4664).

The spelling of 30011663 in words is "thirty million, eleven thousand, six hundred sixty-three".

Divisors: 1 11 433 4763 6301 69311 2728333 30011663