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30868606 = 216639281
BaseRepresentation
bin111010111000…
…0010001111110
32011002021202201
41311300101332
530400243411
63021342114
7523243636
oct165602176
964067681
1030868606
111647404a
12a40793a
13651a462
1441576c6
152a9b3c1
hex1d7047e

30868606 has 8 divisors (see below), whose sum is σ = 46335744. Its totient is φ = 15423360.

The previous prime is 30868589. The next prime is 30868627. The reversal of 30868606 is 60686803.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315 + ... + 7966.

It is an arithmetic number, because the mean of its divisors is an integer number (5791968).

Almost surely, 230868606 is an apocalyptic number.

30868606 is a deficient number, since it is larger than the sum of its proper divisors (15467138).

30868606 is a wasteful number, since it uses less digits than its factorization.

30868606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10946.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 30868606 is about 5555.9523036110. The cubic root of 30868606 is about 313.6936102845.

The spelling of 30868606 in words is "thirty million, eight hundred sixty-eight thousand, six hundred six".

Divisors: 1 2 1663 3326 9281 18562 15434303 30868606