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40060023 = 318897069
BaseRepresentation
bin1001100011010…
…0010001110111
32210101021000120
42120310101313
540223410043
63550343023
7664335033
oct230642167
983337016
1040060023
1120681763
12114baa73
1383b7c73
14546b1c3
1537b4983
hex2634477

40060023 has 8 divisors (see below), whose sum is σ = 53449200. Its totient is φ = 26688768.

The previous prime is 40060019. The next prime is 40060039. The reversal of 40060023 is 32006004.

40060023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40060023 - 22 = 40060019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40059984 and 40060011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40060073) 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 7 ways as a sum of consecutive naturals, for example, 2133 + ... + 9201.

It is an arithmetic number, because the mean of its divisors is an integer number (6681150).

Almost surely, 240060023 is an apocalyptic number.

40060023 is a deficient number, since it is larger than the sum of its proper divisors (13389177).

40060023 is a wasteful number, since it uses less digits than its factorization.

40060023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8961.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 40060023 is about 6329.2987763259. The cubic root of 40060023 is about 342.1661669860.

Adding to 40060023 its reverse (32006004), we get a palindrome (72066027).

The spelling of 40060023 in words is "forty million, sixty thousand, twenty-three".

Divisors: 1 3 1889 5667 7069 21207 13353341 40060023