Search a number
-
+
10040518 = 25020259
BaseRepresentation
bin100110010011…
…010011000110
3200220010000001
4212103103012
510032244033
6555111514
7151225435
oct46232306
920803001
1010040518
115738654
12344259a
132107147
14149511c
15d34e7d
hex9934c6

10040518 has 4 divisors (see below), whose sum is σ = 15060780. Its totient is φ = 5020258.

The previous prime is 10040509. The next prime is 10040519. The reversal of 10040518 is 81504001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81504001 = 174794353.

It is a junction number, because it is equal to n+sod(n) for n = 10040495 and 10040504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510128 + ... + 2510131.

It is an arithmetic number, because the mean of its divisors is an integer number (3765195).

Almost surely, 210040518 is an apocalyptic number.

10040518 is a deficient number, since it is larger than the sum of its proper divisors (5020262).

10040518 is an equidigital number, since it uses as much as digits as its factorization.

10040518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020261.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 10040518 is about 3168.6776421719. The cubic root of 10040518 is about 215.7340548399.

Adding to 10040518 its reverse (81504001), we get a palindrome (91544519).

The spelling of 10040518 in words is "ten million, forty thousand, five hundred eighteen".

Divisors: 1 2 5020259 10040518