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88550993 is a prime number
BaseRepresentation
bin1010100011100…
…10111001010001
320011121212010102
411101302321101
5140132112433
612441542145
72123446106
oct521627121
9204555112
1088550993
1145a91743
12257a4955
131546554b
14ba90aad
157b924e8
hex5472e51

88550993 has 2 divisors, whose sum is σ = 88550994. Its totient is φ = 88550992.

The previous prime is 88550947. The next prime is 88551013. The reversal of 88550993 is 39905588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46144849 + 42406144 = 6793^2 + 6512^2 .

It is a cyclic number.

It is not a de Polignac number, because 88550993 - 26 = 88550929 is a prime.

It is a super-2 number, since 2×885509932 = 15682556722572098, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (88550933) 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, 44275496 + 44275497.

It is an arithmetic number, because the mean of its divisors is an integer number (44275497).

Almost surely, 288550993 is an apocalyptic number.

It is an amenable number.

88550993 is a deficient number, since it is larger than the sum of its proper divisors (1).

88550993 is an equidigital number, since it uses as much as digits as its factorization.

88550993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 88550993 is about 9410.1537181919. The cubic root of 88550993 is about 445.7224187206.

The spelling of 88550993 in words is "eighty-eight million, five hundred fifty thousand, nine hundred ninety-three".