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1406012431 is a prime number
BaseRepresentation
bin101001111001110…
…0000110000001111
310121222122211110111
41103303200300033
510334414344211
6351303420451
746561623415
oct12363406017
93558584414
101406012431
11661725a4a
12332a54727
131953a5325
14d4a392b5
1583681421
hex53ce0c0f

1406012431 has 2 divisors, whose sum is σ = 1406012432. Its totient is φ = 1406012430.

The previous prime is 1406012429. The next prime is 1406012441. The reversal of 1406012431 is 1342106041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1406012431 - 21 = 1406012429 is a prime.

It is a super-2 number, since 2×14060124312 = 3953741912253059522, which contains 22 as substring.

Together with 1406012429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406012441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703006215 + 703006216.

It is an arithmetic number, because the mean of its divisors is an integer number (703006216).

Almost surely, 21406012431 is an apocalyptic number.

1406012431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406012431 is an equidigital number, since it uses as much as digits as its factorization.

1406012431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1406012431 is about 37496.8322795406. The cubic root of 1406012431 is about 1120.2880931399.

Adding to 1406012431 its reverse (1342106041), we get a palindrome (2748118472).

The spelling of 1406012431 in words is "one billion, four hundred six million, twelve thousand, four hundred thirty-one".