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40385041 = 414322907
BaseRepresentation
bin1001101000001…
…1101000010001
32210222202212021
42122003220101
540314310131
64001331441
71000160434
oct232035021
983882767
1040385041
1120883974
1211636b81
13849cb98
14551381b
15382ae11
hex2683a11

40385041 has 8 divisors (see below), whose sum is σ = 42333984. Its totient is φ = 38482080.

The previous prime is 40385029. The next prime is 40385063. The reversal of 40385041 is 14058304.

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 40385041 - 27 = 40384913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40384997 and 40385015.

It is not an unprimeable number, because it can be changed into a prime (40385011) 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, 9691 + ... + 13216.

It is an arithmetic number, because the mean of its divisors is an integer number (5291748).

Almost surely, 240385041 is an apocalyptic number.

40385041 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40385041 is a deficient number, since it is larger than the sum of its proper divisors (1948943).

40385041 is a wasteful number, since it uses less digits than its factorization.

40385041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22991.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 40385041 is about 6354.9225801736. The cubic root of 40385041 is about 343.0890384153.

The spelling of 40385041 in words is "forty million, three hundred eighty-five thousand, forty-one".

Divisors: 1 41 43 1763 22907 939187 985001 40385041