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288412897 is a prime number
BaseRepresentation
bin10001001100001…
…101010011100001
3202002200220010011
4101030031103201
51042313203042
644341404521
710101316633
oct2114152341
9662626104
10288412897
1113888a973
1280709741
13479a1a26
142a438a53
151a4c0a17
hex1130d4e1

288412897 has 2 divisors, whose sum is σ = 288412898. Its totient is φ = 288412896.

The previous prime is 288412879. The next prime is 288412919. The reversal of 288412897 is 798214882.

Together with previous prime (288412879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284968161 + 3444736 = 16881^2 + 1856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-288412897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 288412897.

It is not a weakly prime, because it can be changed into another prime (288413897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144206448 + 144206449.

It is an arithmetic number, because the mean of its divisors is an integer number (144206449).

Almost surely, 2288412897 is an apocalyptic number.

It is an amenable number.

288412897 is a deficient number, since it is larger than the sum of its proper divisors (1).

288412897 is an equidigital number, since it uses as much as digits as its factorization.

288412897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 49.

The square root of 288412897 is about 16982.7234859430. The cubic root of 288412897 is about 660.7008907140.

The spelling of 288412897 in words is "two hundred eighty-eight million, four hundred twelve thousand, eight hundred ninety-seven".