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802428943 = 4791675217
BaseRepresentation
bin101111110101000…
…001100000001111
32001220220121120111
4233311001200033
53120410211233
6211342500451
725612350661
oct5765014017
92056817514
10802428943
11381a4a818
121a4894727
13ca323634
14787dc531
154a6a6acd
hex2fd4180f

802428943 has 4 divisors (see below), whose sum is σ = 804104640. Its totient is φ = 800753248.

The previous prime is 802428923. The next prime is 802428967. The reversal of 802428943 is 349824208.

802428943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-802428943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 802428896 and 802428905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802428923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837130 + ... + 838087.

It is an arithmetic number, because the mean of its divisors is an integer number (201026160).

Almost surely, 2802428943 is an apocalyptic number.

802428943 is a deficient number, since it is larger than the sum of its proper divisors (1675697).

802428943 is a wasteful number, since it uses less digits than its factorization.

802428943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675696.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 802428943 is about 28327.1767566060. The cubic root of 802428943 is about 929.2563303723.

The spelling of 802428943 in words is "eight hundred two million, four hundred twenty-eight thousand, nine hundred forty-three".

Divisors: 1 479 1675217 802428943