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1414440431 is a prime number
BaseRepresentation
bin101010001001110…
…1010010111101111
310122120112000111122
41110103222113233
510344044043211
6352204211155
750023355015
oct12423522757
93576460448
101414440431
11666462038
12335839abb
13197066501
14d5bd08b5
15842986db
hex544ea5ef

1414440431 has 2 divisors, whose sum is σ = 1414440432. Its totient is φ = 1414440430.

The previous prime is 1414440373. The next prime is 1414440437. The reversal of 1414440431 is 1340444141.

It is a strong prime.

It is an emirp because it is prime and its reverse (1340444141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1414440431 - 218 = 1414178287 is a prime.

It is a super-2 number, since 2×14144404312 = 4001283465694931522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1414440431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1414440437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707220215 + 707220216.

It is an arithmetic number, because the mean of its divisors is an integer number (707220216).

Almost surely, 21414440431 is an apocalyptic number.

1414440431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1414440431 is an equidigital number, since it uses as much as digits as its factorization.

1414440431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1414440431 is about 37609.0471961202. The cubic root of 1414440431 is about 1122.5220670162.

Adding to 1414440431 its reverse (1340444141), we get a palindrome (2754884572).

The spelling of 1414440431 in words is "one billion, four hundred fourteen million, four hundred forty thousand, four hundred thirty-one".