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1402871471 is a prime number
BaseRepresentation
bin101001110011110…
…0001111010101111
310121202202020212122
41103213201322233
510333113341341
6351112223155
746523132201
oct12347417257
93552666778
101402871471
1165a980111
1233199aabb
13194845781
14d445c771
158326094b
hex539e1eaf

1402871471 has 2 divisors, whose sum is σ = 1402871472. Its totient is φ = 1402871470.

The previous prime is 1402871443. The next prime is 1402871531. The reversal of 1402871471 is 1741782041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1402871471 - 222 = 1398677167 is a prime.

It is a super-3 number, since 3×14028714713 (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402871411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701435735 + 701435736.

It is an arithmetic number, because the mean of its divisors is an integer number (701435736).

Almost surely, 21402871471 is an apocalyptic number.

1402871471 is the 20021-st centered heptagonal number.

1402871471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402871471 is an equidigital number, since it uses as much as digits as its factorization.

1402871471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 1402871471 is about 37454.9258576225. The cubic root of 1402871471 is about 1119.4532490265.

The spelling of 1402871471 in words is "one billion, four hundred two million, eight hundred seventy-one thousand, four hundred seventy-one".