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872801693 is a prime number
BaseRepresentation
bin110100000001011…
…110010110011101
32020211022220211122
4310001132112131
53241414123233
6222335100325
730425456231
oct6401362635
92224286748
10872801693
11408745915
122043716a5
1310ba92a0a
1483cba5c1
1551957d98
hex3405e59d

872801693 has 2 divisors, whose sum is σ = 872801694. Its totient is φ = 872801692.

The previous prime is 872801663. The next prime is 872801731. The reversal of 872801693 is 396108278.

872801693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 846402649 + 26399044 = 29093^2 + 5138^2 .

It is a cyclic number.

It is not a de Polignac number, because 872801693 - 228 = 604366237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872801663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436400846 + 436400847.

It is an arithmetic number, because the mean of its divisors is an integer number (436400847).

Almost surely, 2872801693 is an apocalyptic number.

It is an amenable number.

872801693 is a deficient number, since it is larger than the sum of its proper divisors (1).

872801693 is an equidigital number, since it uses as much as digits as its factorization.

872801693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 872801693 is about 29543.2173772594. The cubic root of 872801693 is about 955.6639272743.

The spelling of 872801693 in words is "eight hundred seventy-two million, eight hundred one thousand, six hundred ninety-three".