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88029881 is a prime number
BaseRepresentation
bin1010011111100…
…11101010111001
320010122101021222
411033303222321
5140013424011
612422441425
72116145612
oct517635271
9203571258
1088029881
1145766175
1225593275
13153122b4
14b996c09
157adcddb
hex53f3ab9

88029881 has 2 divisors, whose sum is σ = 88029882. Its totient is φ = 88029880.

The previous prime is 88029871. The next prime is 88029899. The reversal of 88029881 is 18892088.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84732025 + 3297856 = 9205^2 + 1816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88029881 is a prime.

It is a super-2 number, since 2×880298812 = 15498519897748322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88029841) 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, 44014940 + 44014941.

It is an arithmetic number, because the mean of its divisors is an integer number (44014941).

Almost surely, 288029881 is an apocalyptic number.

It is an amenable number.

88029881 is a deficient number, since it is larger than the sum of its proper divisors (1).

88029881 is an equidigital number, since it uses as much as digits as its factorization.

88029881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 44.

The square root of 88029881 is about 9382.4240471213. The cubic root of 88029881 is about 444.8463569235.

The spelling of 88029881 in words is "eighty-eight million, twenty-nine thousand, eight hundred eighty-one".