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40974787 = 75853541
BaseRepresentation
bin1001110001001…
…1100111000011
32212002201211201
42130103213003
540442143122
64022122031
71005165010
oct234234703
985081751
1040974787
1121146a67
1211880317
138648449
145628707
1538e5a27
hex27139c3

40974787 has 4 divisors (see below), whose sum is σ = 46828336. Its totient is φ = 35121240.

The previous prime is 40974763. The next prime is 40974793. The reversal of 40974787 is 78747904.

40974787 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.

It is not a de Polignac number, because 40974787 - 219 = 40450499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40974727) 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, 2926764 + ... + 2926777.

It is an arithmetic number, because the mean of its divisors is an integer number (11707084).

Almost surely, 240974787 is an apocalyptic number.

40974787 is a deficient number, since it is larger than the sum of its proper divisors (5853549).

40974787 is an equidigital number, since it uses as much as digits as its factorization.

40974787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5853548.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 40974787 is about 6401.1551301308. The cubic root of 40974787 is about 344.7510266979.

The spelling of 40974787 in words is "forty million, nine hundred seventy-four thousand, seven hundred eighty-seven".

Divisors: 1 7 5853541 40974787