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88390741 is a prime number
BaseRepresentation
bin1010100010010…
…11110001010101
320011022201022011
411101023301111
5140112000431
612434304221
72122210645
oct521136125
9204281264
1088390741
11459922aa
1225728071
131540a61a
14ba4c525
157b5ecb1
hex544bc55

88390741 has 2 divisors, whose sum is σ = 88390742. Its totient is φ = 88390740.

The previous prime is 88390739. The next prime is 88390751. The reversal of 88390741 is 14709388.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85655025 + 2735716 = 9255^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 88390741 - 21 = 88390739 is a prime.

Together with 88390739, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 88390694 and 88390703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88390721) 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, 44195370 + 44195371.

It is an arithmetic number, because the mean of its divisors is an integer number (44195371).

Almost surely, 288390741 is an apocalyptic number.

It is an amenable number.

88390741 is a deficient number, since it is larger than the sum of its proper divisors (1).

88390741 is an equidigital number, since it uses as much as digits as its factorization.

88390741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 88390741 is about 9401.6350173786. The cubic root of 88390741 is about 445.4533796128.

The spelling of 88390741 in words is "eighty-eight million, three hundred ninety thousand, seven hundred forty-one".