Search a number
-
+
14742031 is a prime number
BaseRepresentation
bin111000001111…
…001000001111
31000201222021011
4320033020033
512233221111
61243550051
7236206453
oct70171017
930658234
1014742031
1183599a7
124b2b327
1330920c5
141d5a663
151463021
hexe0f20f

14742031 has 2 divisors, whose sum is σ = 14742032. Its totient is φ = 14742030.

The previous prime is 14742029. The next prime is 14742041. The reversal of 14742031 is 13024741.

14742031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14742031 - 21 = 14742029 is a prime.

It is a super-2 number, since 2×147420312 = 434654956009922, which contains 22 as substring.

Together with 14742029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 14741993 and 14742011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14742041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7371015 + 7371016.

It is an arithmetic number, because the mean of its divisors is an integer number (7371016).

Almost surely, 214742031 is an apocalyptic number.

14742031 is a deficient number, since it is larger than the sum of its proper divisors (1).

14742031 is an equidigital number, since it uses as much as digits as its factorization.

14742031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 14742031 is about 3839.5352583353. The cubic root of 14742031 is about 245.1992326379.

Adding to 14742031 its reverse (13024741), we get a palindrome (27766772).

The spelling of 14742031 in words is "fourteen million, seven hundred forty-two thousand, thirty-one".