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487881101 is a prime number
BaseRepresentation
bin11101000101000…
…111100110001101
31021000000221001102
4131011013212031
51444344143401
6120224552445
715042630611
oct3505074615
91230027042
10487881101
1123043a324
12117482725
137a100c56
1448b1d341
152cc7256b
hex1d14798d

487881101 has 2 divisors, whose sum is σ = 487881102. Its totient is φ = 487881100.

The previous prime is 487881071. The next prime is 487881109. The reversal of 487881101 is 101188784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 461605225 + 26275876 = 21485^2 + 5126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-487881101 is a prime.

It is a super-3 number, since 3×4878811013 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487881109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243940550 + 243940551.

It is an arithmetic number, because the mean of its divisors is an integer number (243940551).

Almost surely, 2487881101 is an apocalyptic number.

It is an amenable number.

487881101 is a deficient number, since it is larger than the sum of its proper divisors (1).

487881101 is an equidigital number, since it uses as much as digits as its factorization.

487881101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 38.

The square root of 487881101 is about 22088.0307180156. The cubic root of 487881101 is about 787.2354907740.

The spelling of 487881101 in words is "four hundred eighty-seven million, eight hundred eighty-one thousand, one hundred one".