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40726023 = 3131044257
BaseRepresentation
bin1001101101011…
…0111000000111
32211122002121020
42123112320013
540411213043
64012522223
71003110522
oct233267007
984562536
1040726023
1120a97078
1211780373
13858c150
1455a1bb9
153896e83
hex26d6e07

40726023 has 8 divisors (see below), whose sum is σ = 58478448. Its totient is φ = 25062144.

The previous prime is 40726009. The next prime is 40726051. The reversal of 40726023 is 32062704.

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

It is not a de Polignac number, because 40726023 - 26 = 40725959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40725984 and 40726002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40726003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522090 + ... + 522167.

It is an arithmetic number, because the mean of its divisors is an integer number (7309806).

Almost surely, 240726023 is an apocalyptic number.

40726023 is a deficient number, since it is larger than the sum of its proper divisors (17752425).

40726023 is a wasteful number, since it uses less digits than its factorization.

40726023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044273.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 40726023 is about 6381.6943674858. The cubic root of 40726023 is about 344.0519318343.

Adding to 40726023 its reverse (32062704), we get a palindrome (72788727).

The spelling of 40726023 in words is "forty million, seven hundred twenty-six thousand, twenty-three".

Divisors: 1 3 13 39 1044257 3132771 13575341 40726023