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1402003087 is a prime number
BaseRepresentation
bin101001110010000…
…1101111010001111
310121201010010200021
41103210031322033
510332403044322
6351041443011
746512554362
oct12344157217
93551103607
101402003087
1165a437741
12331640467
13194600434
14d42b40d9
158313d4c7
hex5390de8f

1402003087 has 2 divisors, whose sum is σ = 1402003088. Its totient is φ = 1402003086.

The previous prime is 1402003081. The next prime is 1402003147. The reversal of 1402003087 is 7803002041.

It is a weak prime.

It is an emirp because it is prime and its reverse (7803002041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1402003087 is a prime.

It is a super-2 number, since 2×14020030872 = 3931225311915059138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402003081) 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, 701001543 + 701001544.

It is an arithmetic number, because the mean of its divisors is an integer number (701001544).

Almost surely, 21402003087 is an apocalyptic number.

1402003087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402003087 is an equidigital number, since it uses as much as digits as its factorization.

1402003087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1402003087 is about 37443.3316760141. The cubic root of 1402003087 is about 1119.2222190852. Note that the first 4 decimals are identical.

The spelling of 1402003087 in words is "one billion, four hundred two million, three thousand, eighty-seven".