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1868701 is a prime number
BaseRepresentation
bin111001000001110011101
310111221101011
413020032131
5434244301
6104015221
721612052
oct7101635
93457334
101868701
111066a8a
12761511
13505753
14369029
1526da51
hex1c839d

1868701 has 2 divisors, whose sum is σ = 1868702. Its totient is φ = 1868700.

The previous prime is 1868693. The next prime is 1868717. The reversal of 1868701 is 1078681.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 5476 = 1365^2 + 74^2 .

It is an emirp because it is prime and its reverse (1078681) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1868701 - 23 = 1868693 is a prime.

It is a Chen prime.

It is equal to p139873 and since 1868701 and 139873 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1868201) 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, 934350 + 934351.

It is an arithmetic number, because the mean of its divisors is an integer number (934351).

21868701 is an apocalyptic number.

It is an amenable number.

1868701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1868701 is an equidigital number, since it uses as much as digits as its factorization.

1868701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 1868701 is about 1367.0043891663. The cubic root of 1868701 is about 123.1723628413.

The spelling of 1868701 in words is "one million, eight hundred sixty-eight thousand, seven hundred one".