Search a number
-
+
87350317 is a prime number
BaseRepresentation
bin1010011010011…
…01110000101101
320002100212002221
411031031300231
5134330202232
612400115341
72110315435
oct515156055
9202325087
1087350317
114534164a
1225305b51
1315134ba2
14b85b2c5
157a06897
hex534dc2d

87350317 has 2 divisors, whose sum is σ = 87350318. Its totient is φ = 87350316.

The previous prime is 87350293. The next prime is 87350321. The reversal of 87350317 is 71305378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87347716 + 2601 = 9346^2 + 51^2 .

It is a cyclic number.

It is not a de Polignac number, because 87350317 - 223 = 78961709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87350327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43675158 + 43675159.

It is an arithmetic number, because the mean of its divisors is an integer number (43675159).

Almost surely, 287350317 is an apocalyptic number.

It is an amenable number.

87350317 is a deficient number, since it is larger than the sum of its proper divisors (1).

87350317 is an equidigital number, since it uses as much as digits as its factorization.

87350317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 87350317 is about 9346.1391494028. The cubic root of 87350317 is about 443.6987056494.

The spelling of 87350317 in words is "eighty-seven million, three hundred fifty thousand, three hundred seventeen".