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87593201 is a prime number
BaseRepresentation
bin1010011100010…
…01000011110001
320002211012021122
411032021003301
5134410440301
612405232025
72112346523
oct516110361
9202735248
1087593201
1145498083
1225402615
13151bb5c7
14b8c1a13
157a5381b
hex53890f1

87593201 has 2 divisors, whose sum is σ = 87593202. Its totient is φ = 87593200.

The previous prime is 87593189. The next prime is 87593203. The reversal of 87593201 is 10239578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85840225 + 1752976 = 9265^2 + 1324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-87593201 is a prime.

It is a super-2 number, since 2×875932012 = 15345137722852802, which contains 22 as substring.

Together with 87593203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87593203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43796600 + 43796601.

It is an arithmetic number, because the mean of its divisors is an integer number (43796601).

Almost surely, 287593201 is an apocalyptic number.

It is an amenable number.

87593201 is a deficient number, since it is larger than the sum of its proper divisors (1).

87593201 is an equidigital number, since it uses as much as digits as its factorization.

87593201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 87593201 is about 9359.1239440452. The cubic root of 87593201 is about 444.1095707313.

The spelling of 87593201 in words is "eighty-seven million, five hundred ninety-three thousand, two hundred one".