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2856230797 = 71398293541
BaseRepresentation
bin1010101000111110…
…1001111110001101
321101001111120001211
42222033221332031
521322143341142
61151230534421
7130531363330
oct25217517615
97331446054
102856230797
1112362a4522
12678667411
133669876c4
141d14a0617
1511ab45917
hexaa3e9f8d

2856230797 has 16 divisors (see below), whose sum is σ = 3292643200. Its totient is φ = 2426967360.

The previous prime is 2856230743. The next prime is 2856230899. The reversal of 2856230797 is 7970326582.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2856230797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2856230797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2856230737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804847 + ... + 808387.

It is an arithmetic number, because the mean of its divisors is an integer number (205790200).

Almost surely, 22856230797 is an apocalyptic number.

It is an amenable number.

2856230797 is a deficient number, since it is larger than the sum of its proper divisors (436412403).

2856230797 is a wasteful number, since it uses less digits than its factorization.

2856230797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4516.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 2856230797 is about 53443.7161600875. The cubic root of 2856230797 is about 1418.8324061096.

The spelling of 2856230797 in words is "two billion, eight hundred fifty-six million, two hundred thirty thousand, seven hundred ninety-seven".

Divisors: 1 7 139 829 973 3541 5803 24787 115231 492199 806617 2935489 3445393 20548423 408032971 2856230797