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30693606 = 235115601
BaseRepresentation
bin111010100010…
…1100011100110
32010202101201020
41311011203212
530324143411
63013512010
7521614506
oct165054346
963671636
1030693606
1116364619
12a342606
1364888c8
14410da06
152a64606
hex1d458e6

30693606 has 8 divisors (see below), whose sum is σ = 61387224. Its totient is φ = 10231200.

The previous prime is 30693599. The next prime is 30693647. The reversal of 30693606 is 60639603.

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

30693606 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557795 + ... + 2557806.

It is an arithmetic number, because the mean of its divisors is an integer number (7673403).

Almost surely, 230693606 is an apocalyptic number.

30693606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30693606 is a wasteful number, since it uses less digits than its factorization.

30693606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115606.

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 30693606 is about 5540.1810439732. The cubic root of 30693606 is about 313.0996902663.

The spelling of 30693606 in words is "thirty million, six hundred ninety-three thousand, six hundred six".

Divisors: 1 2 3 6 5115601 10231202 15346803 30693606