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10440073 = 71491439
BaseRepresentation
bin100111110100…
…110110001001
3201122102002101
4213310312021
510133040243
61011433401
7154511350
oct47646611
921572071
1010440073
115990866
1235b5861
132216c77
14155a997
15db354d
hex9f4d89

10440073 has 4 divisors (see below), whose sum is σ = 11931520. Its totient is φ = 8948628.

The previous prime is 10440047. The next prime is 10440077. The reversal of 10440073 is 37004401.

It is a happy number.

10440073 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10440073 - 25 = 10440041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10440073.

It is not an unprimeable number, because it can be changed into a prime (10440077) 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 in 3 ways as a sum of consecutive naturals, for example, 745713 + ... + 745726.

It is an arithmetic number, because the mean of its divisors is an integer number (2982880).

Almost surely, 210440073 is an apocalyptic number.

It is an amenable number.

10440073 is a deficient number, since it is larger than the sum of its proper divisors (1491447).

10440073 is an equidigital number, since it uses as much as digits as its factorization.

10440073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491446.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 10440073 is about 3231.1101807274. The cubic root of 10440073 is about 218.5585723405.

Adding to 10440073 its reverse (37004401), we get a palindrome (47444474).

The spelling of 10440073 in words is "ten million, four hundred forty thousand, seventy-three".

Divisors: 1 7 1491439 10440073