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30060286 = 250329881
BaseRepresentation
bin111001010101…
…0111011111110
32002120012221221
41302222323332
530143412121
62552143554
7513336214
oct162527376
962505857
1030060286
1115a71813
12a097bba
1362c6569
143dc6cb4
15298bb41
hex1caaefe

30060286 has 8 divisors (see below), whose sum is σ = 45181584. Its totient is φ = 14999760.

The previous prime is 30060281. The next prime is 30060341. The reversal of 30060286 is 68206003.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30060286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30060281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13935 + ... + 15946.

It is an arithmetic number, because the mean of its divisors is an integer number (5647698).

Almost surely, 230060286 is an apocalyptic number.

30060286 is a deficient number, since it is larger than the sum of its proper divisors (15121298).

30060286 is a wasteful number, since it uses less digits than its factorization.

30060286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30386.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 30060286 is about 5482.7261467266. The cubic root of 30060286 is about 310.9312475751.

Adding to 30060286 its reverse (68206003), we get a palindrome (98266289).

The spelling of 30060286 in words is "thirty million, sixty thousand, two hundred eighty-six".

Divisors: 1 2 503 1006 29881 59762 15030143 30060286