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40623433 = 43944731
BaseRepresentation
bin1001101011110…
…1110101001001
32211102212212121
42122331311021
540344422213
64010411241
71002202444
oct232756511
984385777
1040623433
1120a26a94
1211730b21
138554546
14557665b
15387688d
hex26bdd49

40623433 has 4 divisors (see below), whose sum is σ = 41568208. Its totient is φ = 39678660.

The previous prime is 40623419. The next prime is 40623467. The reversal of 40623433 is 33432604.

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 40623433 - 213 = 40615241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40623398 and 40623407.

It is not an unprimeable number, because it can be changed into a prime (40623533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472323 + ... + 472408.

It is an arithmetic number, because the mean of its divisors is an integer number (10392052).

Almost surely, 240623433 is an apocalyptic number.

40623433 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40623433 is a deficient number, since it is larger than the sum of its proper divisors (944775).

40623433 is an equidigital number, since it uses as much as digits as its factorization.

40623433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944774.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 40623433 is about 6373.6514652121. The cubic root of 40623433 is about 343.7627967468.

The spelling of 40623433 in words is "forty million, six hundred twenty-three thousand, four hundred thirty-three".

Divisors: 1 43 944731 40623433