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89552213 is a prime number
BaseRepresentation
bin1010101011001…
…11010101010101
320020111201112122
411111213111111
5140411132323
612515225325
72135116112
oct525472525
9206451478
1089552213
11466059a3
1225ba8245
131572619a
14bc71909
157cddec8
hex5567555

89552213 has 2 divisors, whose sum is σ = 89552214. Its totient is φ = 89552212.

The previous prime is 89552201. The next prime is 89552219. The reversal of 89552213 is 31225598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89548369 + 3844 = 9463^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 89552213 - 212 = 89548117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89552219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44776106 + 44776107.

It is an arithmetic number, because the mean of its divisors is an integer number (44776107).

Almost surely, 289552213 is an apocalyptic number.

It is an amenable number.

89552213 is a deficient number, since it is larger than the sum of its proper divisors (1).

89552213 is an equidigital number, since it uses as much as digits as its factorization.

89552213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The square root of 89552213 is about 9463.2031046575. The cubic root of 89552213 is about 447.3960109172.

It can be divided in two parts, 89552 and 213, that multiplied together give a triangular number (19074576 = T6176).

The spelling of 89552213 in words is "eighty-nine million, five hundred fifty-two thousand, two hundred thirteen".