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68383002 = 23231373617
BaseRepresentation
bin1000001001101…
…11000100011010
311202200012211210
410010313010122
5120001224002
610441403550
71460150232
oct404670432
9152605753
1068383002
1135667186
121aa995b6
131122381c
149120cc2
15600b96c
hex413711a

68383002 has 32 divisors (see below), whose sum is σ = 143793792. Its totient is φ = 21638144.

The previous prime is 68383001. The next prime is 68383009. The reversal of 68383002 is 20038386.

It is not an unprimeable number, because it can be changed into a prime (68383001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17098 + ... + 20714.

It is an arithmetic number, because the mean of its divisors is an integer number (4493556).

Almost surely, 268383002 is an apocalyptic number.

68383002 is an abundant number, since it is smaller than the sum of its proper divisors (75410790).

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

68383002 is a wasteful number, since it uses less digits than its factorization.

68383002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 68383002 is about 8269.4015502937. The cubic root of 68383002 is about 408.9303906898.

The spelling of 68383002 in words is "sixty-eight million, three hundred eighty-three thousand, two".

Divisors: 1 2 3 6 23 46 69 137 138 274 411 822 3151 3617 6302 7234 9453 10851 18906 21702 83191 166382 249573 495529 499146 991058 1486587 2973174 11397167 22794334 34191501 68383002