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40146361 = 166724083
BaseRepresentation
bin1001100100100…
…1010110111001
32210112122110021
42121021112321
540234140421
63552250441
7665144533
oct231112671
983478407
1040146361
1120730612
1211540a21
138418358
145490853
1537d0341
hex26495b9

40146361 has 4 divisors (see below), whose sum is σ = 40172112. Its totient is φ = 40120612.

The previous prime is 40146349. The next prime is 40146371. The reversal of 40146361 is 16364104.

40146361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40146361 - 25 = 40146329 is a prime.

It is a super-2 number, since 2×401463612 = 3223460603084642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40146331) 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 3 ways as a sum of consecutive naturals, for example, 10375 + ... + 13708.

It is an arithmetic number, because the mean of its divisors is an integer number (10043028).

Almost surely, 240146361 is an apocalyptic number.

It is an amenable number.

40146361 is a deficient number, since it is larger than the sum of its proper divisors (25751).

40146361 is a wasteful number, since it uses less digits than its factorization.

40146361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25750.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 40146361 is about 6336.1156081625. The cubic root of 40146361 is about 342.4118045951.

The spelling of 40146361 in words is "forty million, one hundred forty-six thousand, three hundred sixty-one".

Divisors: 1 1667 24083 40146361