Search a number
-
+
40470373 is a prime number
BaseRepresentation
bin1001101001100…
…0011101100101
32211011002220201
42122120131211
540330022443
64003230501
71000664266
oct232303545
984132821
1040470373
1120931a99
1211678431
1384cc988
14553696d
15384634d
hex2698765

40470373 has 2 divisors, whose sum is σ = 40470374. Its totient is φ = 40470372.

The previous prime is 40470371. The next prime is 40470379. The reversal of 40470373 is 37307404.

40470373 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 can be written as a sum of positive squares in only one way, i.e., 34550884 + 5919489 = 5878^2 + 2433^2 .

It is a cyclic number.

It is not a de Polignac number, because 40470373 - 21 = 40470371 is a prime.

It is a super-3 number, since 3×404703733 (a number of 24 digits) contains 333 as substring.

Together with 40470371, 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 (40470371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20235186 + 20235187.

It is an arithmetic number, because the mean of its divisors is an integer number (20235187).

Almost surely, 240470373 is an apocalyptic number.

It is an amenable number.

40470373 is a deficient number, since it is larger than the sum of its proper divisors (1).

40470373 is an equidigital number, since it uses as much as digits as its factorization.

40470373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 40470373 is about 6361.6328878677. The cubic root of 40470373 is about 343.3305129585.

Adding to 40470373 its reverse (37307404), we get a palindrome (77777777).

The spelling of 40470373 in words is "forty million, four hundred seventy thousand, three hundred seventy-three".