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8028942 = 236121937
BaseRepresentation
bin11110101000001100001110
3120002220122020
4132220030032
54023411232
6444031010
7125146665
oct36501416
916086566
108028942
114594299
122832466
13188166c
1410cdddc
15a88e2c
hex7a830e

8028942 has 16 divisors (see below), whose sum is σ = 16321872. Its totient is φ = 2632320.

The previous prime is 8028931. The next prime is 8028949. The reversal of 8028942 is 2498208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8028949) 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 7 ways as a sum of consecutive naturals, for example, 10603 + ... + 11334.

It is an arithmetic number, because the mean of its divisors is an integer number (1020117).

Almost surely, 28028942 is an apocalyptic number.

8028942 is an abundant number, since it is smaller than the sum of its proper divisors (8292930).

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

8028942 is a wasteful number, since it uses less digits than its factorization.

8028942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22003.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 8028942 is about 2833.5387768654. The cubic root of 8028942 is about 200.2408930695.

The spelling of 8028942 in words is "eight million, twenty-eight thousand, nine hundred forty-two".

Divisors: 1 2 3 6 61 122 183 366 21937 43874 65811 131622 1338157 2676314 4014471 8028942