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40552541 is a prime number
BaseRepresentation
bin1001101010110…
…0100001011101
32211022021121222
42122230201131
540340140131
64005103125
71001455661
oct232544135
984267558
1040552541
11209887a7
12116b7aa5
13852b1b3
1455588a1
15386087b
hex26ac85d

40552541 has 2 divisors, whose sum is σ = 40552542. Its totient is φ = 40552540.

The previous prime is 40552511. The next prime is 40552543. The reversal of 40552541 is 14525504.

40552541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39000025 + 1552516 = 6245^2 + 1246^2 .

It is a cyclic number.

It is not a de Polignac number, because 40552541 - 210 = 40551517 is a prime.

Together with 40552543, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40552541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40552543) 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 as a sum of consecutive naturals, namely, 20276270 + 20276271.

It is an arithmetic number, because the mean of its divisors is an integer number (20276271).

Almost surely, 240552541 is an apocalyptic number.

It is an amenable number.

40552541 is a deficient number, since it is larger than the sum of its proper divisors (1).

40552541 is an equidigital number, since it uses as much as digits as its factorization.

40552541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 40552541 is about 6368.0877035418. The cubic root of 40552541 is about 343.5627133613.

The spelling of 40552541 in words is "forty million, five hundred fifty-two thousand, five hundred forty-one".