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468851261 is a prime number
BaseRepresentation
bin11011111100100…
…001101000111101
31012200020010000112
4123330201220331
51430011220021
6114305035405
714422112204
oct3374415075
91180203015
10468851261
1122072198a
12111025b65
137619a2a8
14463a823b
152b263d5b
hex1bf21a3d

468851261 has 2 divisors, whose sum is σ = 468851262. Its totient is φ = 468851260.

The previous prime is 468851237. The next prime is 468851263. The reversal of 468851261 is 162158864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315240025 + 153611236 = 17755^2 + 12394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-468851261 is a prime.

It is a Sophie Germain prime.

Together with 468851263, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468851263) 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, 234425630 + 234425631.

It is an arithmetic number, because the mean of its divisors is an integer number (234425631).

Almost surely, 2468851261 is an apocalyptic number.

It is an amenable number.

468851261 is a deficient number, since it is larger than the sum of its proper divisors (1).

468851261 is an equidigital number, since it uses as much as digits as its factorization.

468851261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 41.

The square root of 468851261 is about 21652.9734909550. The cubic root of 468851261 is about 776.8640587226.

The spelling of 468851261 in words is "four hundred sixty-eight million, eight hundred fifty-one thousand, two hundred sixty-one".