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88082581 is a prime number
BaseRepresentation
bin1010100000000…
…00100010010101
320010202001120211
411100000202111
5140022120311
612423525421
72116455346
oct520004225
9203661524
1088082581
11457a1824
12255b9871
1315330292
14b9ac0cd
157aed821
hex5400895

88082581 has 2 divisors, whose sum is σ = 88082582. Its totient is φ = 88082580.

The previous prime is 88082567. The next prime is 88082587. The reversal of 88082581 is 18528088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88078225 + 4356 = 9385^2 + 66^2 .

It is a cyclic number.

It is not a de Polignac number, because 88082581 - 211 = 88080533 is a prime.

It is a super-2 number, since 2×880825812 = 15517082151243122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88082587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44041290 + 44041291.

It is an arithmetic number, because the mean of its divisors is an integer number (44041291).

Almost surely, 288082581 is an apocalyptic number.

It is an amenable number.

88082581 is a deficient number, since it is larger than the sum of its proper divisors (1).

88082581 is an equidigital number, since it uses as much as digits as its factorization.

88082581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40960, while the sum is 40.

The square root of 88082581 is about 9385.2320695868. The cubic root of 88082581 is about 444.9351098413.

The spelling of 88082581 in words is "eighty-eight million, eighty-two thousand, five hundred eighty-one".