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87232417 is a prime number
BaseRepresentation
bin1010011001100…
…00111110100001
320002010212101021
411030300332201
5134312414132
612353405441
72106314626
oct514607641
9202125337
1087232417
1145271008
1225269881
13150c331c
14b82a34d
1579d1997
hex5330fa1

87232417 has 2 divisors, whose sum is σ = 87232418. Its totient is φ = 87232416.

The previous prime is 87232361. The next prime is 87232427. The reversal of 87232417 is 71423278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68492176 + 18740241 = 8276^2 + 4329^2 .

It is a cyclic number.

It is not a de Polignac number, because 87232417 - 211 = 87230369 is a prime.

It is not a weakly prime, because it can be changed into another prime (87232427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43616208 + 43616209.

It is an arithmetic number, because the mean of its divisors is an integer number (43616209).

Almost surely, 287232417 is an apocalyptic number.

It is an amenable number.

87232417 is a deficient number, since it is larger than the sum of its proper divisors (1).

87232417 is an equidigital number, since it uses as much as digits as its factorization.

87232417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 34.

The square root of 87232417 is about 9339.8296023000. The cubic root of 87232417 is about 443.4989901714.

The spelling of 87232417 in words is "eighty-seven million, two hundred thirty-two thousand, four hundred seventeen".