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30196678 = 215199989
BaseRepresentation
bin111001100110…
…0001111000110
32002211011001111
41303030033012
530212243203
62555115234
7514444651
oct163141706
962734044
1030196678
1116055236
12a142b1a
136343675
144020898
1529b726d
hex1ccc3c6

30196678 has 8 divisors (see below), whose sum is σ = 45595440. Its totient is φ = 14998200.

The previous prime is 30196657. The next prime is 30196703. The reversal of 30196678 is 87669103.

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 30196678.

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, 49693 + ... + 50296.

It is an arithmetic number, because the mean of its divisors is an integer number (5699430).

Almost surely, 230196678 is an apocalyptic number.

30196678 is a deficient number, since it is larger than the sum of its proper divisors (15398762).

30196678 is a wasteful number, since it uses less digits than its factorization.

30196678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100142.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 30196678 is about 5495.1504074047. The cubic root of 30196678 is about 311.4007990633.

The spelling of 30196678 in words is "thirty million, one hundred ninety-six thousand, six hundred seventy-eight".

Divisors: 1 2 151 302 99989 199978 15098339 30196678