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1487461 is a prime number
BaseRepresentation
bin101101011001001100101
32210120102011
411223021211
5340044321
651514221
715433423
oct5531145
92716364
101487461
11926608
125b8971
13401071
142aa113
151e5ae1
hex16b265

1487461 has 2 divisors, whose sum is σ = 1487462. Its totient is φ = 1487460.

The previous prime is 1487459. The next prime is 1487471. The reversal of 1487461 is 1647841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1476225 + 11236 = 1215^2 + 106^2 .

It is a cyclic number.

It is not a de Polignac number, because 1487461 - 21 = 1487459 is a prime.

Together with 1487459, it forms a pair of twin primes.

It is a Chen prime.

1487461 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1487401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743730 + 743731.

It is an arithmetic number, because the mean of its divisors is an integer number (743731).

21487461 is an apocalyptic number.

It is an amenable number.

1487461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487461 is an equidigital number, since it uses as much as digits as its factorization.

1487461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

The square root of 1487461 is about 1219.6151032190. The cubic root of 1487461 is about 114.1515630531.

The spelling of 1487461 in words is "one million, four hundred eighty-seven thousand, four hundred sixty-one".