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40144341 = 346129027
BaseRepresentation
bin1001100100100…
…0110111010101
32210112112200110
42121020313111
540234104331
63552233233
7665135616
oct231106725
983475613
1040144341
112072a046
121153b819
138417463
14548dc0d
1537ce946
hex2648dd5

40144341 has 8 divisors (see below), whose sum is σ = 53643744. Its totient is φ = 26703920.

The previous prime is 40144339. The next prime is 40144417. The reversal of 40144341 is 14344104.

40144341 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 40144341 - 21 = 40144339 is a prime.

It is a super-2 number, since 2×401443412 = 3223136228648562, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40144301) 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, 13131 + ... + 15896.

It is an arithmetic number, because the mean of its divisors is an integer number (6705468).

Almost surely, 240144341 is an apocalyptic number.

It is an amenable number.

40144341 is a deficient number, since it is larger than the sum of its proper divisors (13499403).

40144341 is a wasteful number, since it uses less digits than its factorization.

40144341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29491.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40144341 is about 6335.9562025001. The cubic root of 40144341 is about 342.4060615802.

Adding to 40144341 its reverse (14344104), we get a palindrome (54488445).

The spelling of 40144341 in words is "forty million, one hundred forty-four thousand, three hundred forty-one".

Divisors: 1 3 461 1383 29027 87081 13381447 40144341