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8402289793 = 24142182813
BaseRepresentation
bin1111101001101000…
…01100010010000001
3210200120101112202021
413310310030102001
5114201441233133
63505430121441
7415134166462
oct76464142201
923616345667
108402289793
113621967757
121765ab0281
13a3b9a6a11
14599ca6d69
153429b252d
hex1f4d0c481

8402289793 has 8 divisors (see below), whose sum is σ = 8457296936. Its totient is φ = 8347449600.

The previous prime is 8402289773. The next prime is 8402289803. The reversal of 8402289793 is 3979822048.

8402289793 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 663217009 + 7739072784 = 25753^2 + 87972^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8402289793 - 25 = 8402289761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8402289793.

It is not an unprimeable number, because it can be changed into a prime (8402289773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60055 + ... + 142867.

It is an arithmetic number, because the mean of its divisors is an integer number (1057162117).

Almost surely, 28402289793 is an apocalyptic number.

It is an amenable number.

8402289793 is a deficient number, since it is larger than the sum of its proper divisors (55007143).

8402289793 is a wasteful number, since it uses less digits than its factorization.

8402289793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83475.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 8402289793 is about 91664.0048928695. The cubic root of 8402289793 is about 2032.9774061553.

The spelling of 8402289793 in words is "eight billion, four hundred two million, two hundred eighty-nine thousand, seven hundred ninety-three".

Divisors: 1 241 421 82813 101461 19957933 34864273 8402289793