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40755589 = 7191811693
BaseRepresentation
bin1001101101111…
…0000110000101
32211200121011021
42123132012011
540413134324
64013311141
71003262650
oct233360605
984617137
1040755589
1121007306
12117954b1
13859c744
1455ac897
1538a0ae4
hex26de185

40755589 has 16 divisors (see below), whose sum is σ = 49329280. Its totient is φ = 32892480.

The previous prime is 40755581. The next prime is 40755593. The reversal of 40755589 is 98555704.

40755589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40755589 - 23 = 40755581 is a prime.

It is a super-2 number, since 2×407555892 = 3322036069473842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40755581) 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 15 ways as a sum of consecutive naturals, for example, 23227 + ... + 24919.

It is an arithmetic number, because the mean of its divisors is an integer number (3083080).

Almost surely, 240755589 is an apocalyptic number.

It is an amenable number.

40755589 is a deficient number, since it is larger than the sum of its proper divisors (8573691).

40755589 is a wasteful number, since it uses less digits than its factorization.

40755589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 40755589 is about 6384.0104166582. The cubic root of 40755589 is about 344.1351691854.

The spelling of 40755589 in words is "forty million, seven hundred fifty-five thousand, five hundred eighty-nine".

Divisors: 1 7 19 133 181 1267 1693 3439 11851 24073 32167 225169 306433 2145031 5822227 40755589