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40849423 = 1272631223
BaseRepresentation
bin1001101111010…
…1000000001111
32211212100212121
42123311000033
540424140143
64015313411
71004133346
oct233650017
984770777
1040849423
112107085a
121181b867
138603374
1455d4b5d
1538bd7ed
hex26f500f

40849423 has 8 divisors (see below), whose sum is σ = 41361408. Its totient is φ = 40340664.

The previous prime is 40849421. The next prime is 40849447. The reversal of 40849423 is 32494804.

40849423 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 a cyclic number.

It is not a de Polignac number, because 40849423 - 21 = 40849421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40849421) 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, 32790 + ... + 34012.

It is an arithmetic number, because the mean of its divisors is an integer number (5170176).

Almost surely, 240849423 is an apocalyptic number.

40849423 is a deficient number, since it is larger than the sum of its proper divisors (511985).

40849423 is a wasteful number, since it uses less digits than its factorization.

40849423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 40849423 is about 6391.3553335736. The cubic root of 40849423 is about 344.3990743301.

The spelling of 40849423 in words is "forty million, eight hundred forty-nine thousand, four hundred twenty-three".

Divisors: 1 127 263 1223 33401 155321 321649 40849423