Search a number
-
+
1402454461 is a prime number
BaseRepresentation
bin101001110010111…
…1100000110111101
310121201222001211211
41103211330012331
510333012020321
6351055244421
746516444342
oct12345740675
93551861754
101402454461
1165a715881
12331819711
1319472aa15
14d43907c9
15831cc0e1
hex5397c1bd

1402454461 has 2 divisors, whose sum is σ = 1402454462. Its totient is φ = 1402454460.

The previous prime is 1402454441. The next prime is 1402454483. The reversal of 1402454461 is 1644542041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 803722500 + 598731961 = 28350^2 + 24469^2 .

It is an emirp because it is prime and its reverse (1644542041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1402454461 - 211 = 1402452413 is a prime.

It is a super-4 number, since 4×14024544614 (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402454411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701227230 + 701227231.

It is an arithmetic number, because the mean of its divisors is an integer number (701227231).

Almost surely, 21402454461 is an apocalyptic number.

It is an amenable number.

1402454461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402454461 is an equidigital number, since it uses as much as digits as its factorization.

1402454461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 1402454461 is about 37449.3586193409. The cubic root of 1402454461 is about 1119.3423171576.

The spelling of 1402454461 in words is "one billion, four hundred two million, four hundred fifty-four thousand, four hundred sixty-one".