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88115761 is a prime number
BaseRepresentation
bin1010100000010…
…00101000110001
320010210202002201
411100020220301
5140024201021
612424343201
72116654156
oct520105061
9203722081
1088115761
1145814748
1225614b01
1315342406
14b9ba22d
157b08591
hex5408a31

88115761 has 2 divisors, whose sum is σ = 88115762. Its totient is φ = 88115760.

The previous prime is 88115747. The next prime is 88115767. The reversal of 88115761 is 16751188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67240000 + 20875761 = 8200^2 + 4569^2 .

It is a cyclic number.

It is not a de Polignac number, because 88115761 - 225 = 54561329 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88115761.

It is not a weakly prime, because it can be changed into another prime (88115767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44057880 + 44057881.

It is an arithmetic number, because the mean of its divisors is an integer number (44057881).

Almost surely, 288115761 is an apocalyptic number.

It is an amenable number.

88115761 is a deficient number, since it is larger than the sum of its proper divisors (1).

88115761 is an equidigital number, since it uses as much as digits as its factorization.

88115761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 37.

The square root of 88115761 is about 9386.9995738788. Note that the first 3 decimals coincide. The cubic root of 88115761 is about 444.9909706538.

The spelling of 88115761 in words is "eighty-eight million, one hundred fifteen thousand, seven hundred sixty-one".