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468968881 is a prime number
BaseRepresentation
bin11011111100111…
…110010110110001
31012200110002100211
4123330332112301
51430024001011
6114311344121
714423112133
oct3374762661
91180402324
10468968881
112207a2297
12111082041
137620b9a4
14463d9053
152b288b21
hex1bf3e5b1

468968881 has 2 divisors, whose sum is σ = 468968882. Its totient is φ = 468968880.

The previous prime is 468968861. The next prime is 468968897. The reversal of 468968881 is 188869864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 465696400 + 3272481 = 21580^2 + 1809^2 .

It is a cyclic number.

It is not a de Polignac number, because 468968881 - 29 = 468968369 is a prime.

It is a super-2 number, since 2×4689688812 = 439863622692784322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (468968861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234484440 + 234484441.

It is an arithmetic number, because the mean of its divisors is an integer number (234484441).

Almost surely, 2468968881 is an apocalyptic number.

It is an amenable number.

468968881 is a deficient number, since it is larger than the sum of its proper divisors (1).

468968881 is an equidigital number, since it uses as much as digits as its factorization.

468968881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5308416, while the sum is 58.

The square root of 468968881 is about 21655.6893448350. The cubic root of 468968881 is about 776.9290168577.

The spelling of 468968881 in words is "four hundred sixty-eight million, nine hundred sixty-eight thousand, eight hundred eighty-one".