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872315233 is a prime number
BaseRepresentation
bin110011111111100…
…111100101100001
32020210102012112121
4303333213211201
53241303041413
6222320424241
730421362046
oct6377474541
92223365477
10872315233
11408443389
12204178081
1310b95247a
1483bd11cd
15518adb8d
hex33fe7961

872315233 has 2 divisors, whose sum is σ = 872315234. Its totient is φ = 872315232.

The previous prime is 872315209. The next prime is 872315261. The reversal of 872315233 is 332513278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 764633104 + 107682129 = 27652^2 + 10377^2 .

It is a cyclic number.

It is not a de Polignac number, because 872315233 - 213 = 872307041 is a prime.

It is equal to p44666323 and since 872315233 and 44666323 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (872315263) 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 as a sum of consecutive naturals, namely, 436157616 + 436157617.

It is an arithmetic number, because the mean of its divisors is an integer number (436157617).

Almost surely, 2872315233 is an apocalyptic number.

It is an amenable number.

872315233 is a deficient number, since it is larger than the sum of its proper divisors (1).

872315233 is an equidigital number, since it uses as much as digits as its factorization.

872315233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 872315233 is about 29534.9832063606. The cubic root of 872315233 is about 955.4863463971.

The spelling of 872315233 in words is "eight hundred seventy-two million, three hundred fifteen thousand, two hundred thirty-three".