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87620341 is a prime number
BaseRepresentation
bin1010011100011…
…11101011110101
320002212120111211
411032033223311
5134412322331
612410001421
72112521614
oct516175365
9202776454
1087620341
1145506506
1225416271
13151caa73
14b8cb87b
157a5b8b1
hex538faf5

87620341 has 2 divisors, whose sum is σ = 87620342. Its totient is φ = 87620340.

The previous prime is 87620303. The next prime is 87620359. The reversal of 87620341 is 14302678.

87620341 is nontrivially palindromic in base 6.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63266116 + 24354225 = 7954^2 + 4935^2 .

It is a cyclic number.

It is not a de Polignac number, because 87620341 - 215 = 87587573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87620441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43810170 + 43810171.

It is an arithmetic number, because the mean of its divisors is an integer number (43810171).

Almost surely, 287620341 is an apocalyptic number.

It is an amenable number.

87620341 is a deficient number, since it is larger than the sum of its proper divisors (1).

87620341 is an equidigital number, since it uses as much as digits as its factorization.

87620341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 87620341 is about 9360.5737537824. The cubic root of 87620341 is about 444.1554338385.

The spelling of 87620341 in words is "eighty-seven million, six hundred twenty thousand, three hundred forty-one".