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8428299 = 311298807
BaseRepresentation
bin100000001001…
…101100001011
3120212012110020
4200021230023
54124201144
6500351523
7131432205
oct40115413
916765406
108428299
114837340
1229a55a3
131991379
141195775
15b17419
hex809b0b

8428299 has 16 divisors (see below), whose sum is σ = 12683520. Its totient is φ = 4931360.

The previous prime is 8428297. The next prime is 8428307. The reversal of 8428299 is 9928248.

8428299 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8428299 - 21 = 8428297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8428299.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8428291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3447 + ... + 5360.

It is an arithmetic number, because the mean of its divisors is an integer number (792720).

Almost surely, 28428299 is an apocalyptic number.

8428299 is a deficient number, since it is larger than the sum of its proper divisors (4255221).

8428299 is a wasteful number, since it uses less digits than its factorization.

8428299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8850.

The product of its digits is 82944, while the sum is 42.

The square root of 8428299 is about 2903.1532856534. The cubic root of 8428299 is about 203.5072932729.

The spelling of 8428299 in words is "eight million, four hundred twenty-eight thousand, two hundred ninety-nine".

Divisors: 1 3 11 29 33 87 319 957 8807 26421 96877 255403 290631 766209 2809433 8428299